٥륯åĥ
5ܿ20ġ25ܿ4ġ125ܿ1Ĥǡ2ܿϤǤ⤢Τǡ25ĤǤ
Ͽ˲򤱤
823ڡ 0:07:23 47492
Ȥ
Basic

LET s=1
FOR n=1 TO 100
LET s=s*(3*n-2)
NEXT n
PRINT s
END

f9

832434801314587533188150459656453389510103168817465368096726090185165706578377257406354870171192146697424579078844657120836578146526337323126567483594973400153537587247253322465280000000000000000000000000


00000
00000
00000
00000
00000

ꡡ25ġ()
˭ԡ 823ڡ 0:07:25 MAIL:fttnm528@ybb.ne.jp 47493
ǯ
5ܿ20ġ25ܿ4ġ125ܿ1ġʶ50ĤʤΤ2ܿϽʬˤ
¨פ25
ǽ20äơˤϴְ㤤21äΨ򲼤ޤ
ѥΤĤΥʤäƤΤǤʤʤޤǤƤޤ

823ڡ 0:30:45 47494
鯤ο
#47482ƱˡǤְ㤤ơ٤ޤ
823ڡ 0:11:54 47495
Mr.ǥ
5dzϡ10Ϥޤꡡ5ܤȤˤΤǡ20
5^2dzΤϡ25ܤȤˤΤǡ4
5^3dzΤϡ250Σ
ä
̤025¤֤Ȥˤʤ롣.....Ȥޤ
823ڡ 0:16:59 47496
Ȥ
#47493

ߤޤ󼫸ʥ쥹ǡ
ͭ⡼ɤ1000⡼ɤˤʤȥ顼
(ͱ黻η夢դ)ǡ

OPTION ARITHMETIC RATIONAL
LET s=1
FOR n=1 TO 100
LET s=s*(3*n-2)
NEXT n
PRINT s
END
˭ԡ 823ڡ 0:23:46 MAIL:fttnm528@ybb.ne.jp 47498
ˤ⡼
ܿȣܿ¸ߤ˺ƽ٤줿Ϥ̵orz
ܿ20ġ25ܿ25100175250Σġ125ܿ250Σ
25
823ڡ 0:34:53 47499
⡼ޥ
ࡼˤʬ餺...^^;
298ޤǤ5ܿ59+11+2=72
3m=5n...298/15=19
3m+2=5n..(1,1191),(6,1696)...20
(25),50,75,(100),125,150,(175),200,225,(250),275...( )3m+1
so...50,75,150,200,225,2756Ĥ5^2
1255^3
so...19+20+6+2=47
so...72-47=25
ɤɤ ^^;;

#47496 Nr.ǥͤɤǹ
823ڡ 1:09:11 47500
ߤ
䤬³ƤޤϴñǤ͡
ȤϤܿ˺ưȯȤϤʤʤäΤǤʴˡ

ޤ򣱤ġ
֣Ĥȣ󤬤롣ο
ܤ飱ܤޤǤο򤹤٤Ƴݤ碌Ѥˤϡ
Ϣ³뤫
823ڡ 1:25:23 47501
Ȥ
#47501

ΰ̹ब5+10*(n-1)=10*n-5=5*(2*n-1)5δܤ2ǤƤʤ
ijݤƤ00
˭ԡ 823ڡ 1:47:41 47504
ˤ
5ܿޤ2505*5*5*25ĤȤޤ
Ķļˡ 823ڡ 1:59:45 47505
̴
#47492
ԺŤܿ͡θĿ˴Ť٥륯åĥͤ
ˡˤäé夭ޤߺͤᰥ̣äƤޤ
ٻΤ桡 823ڡ 7:09:11 47506
ޤ륱
ؤޤʤ夲ޤ
ǰΤ饤ʡǸ
ruby -e 'p (0..99).map{|i|i*3+1}.inject(:*).to_s.match(/0*$/)[0].size'
823ڡ 9:59:05 47507
Ѥ
5ܿ20ġ25ܿ4ġ125ܿ1ĤΤǷ25ġ
5ܿ20ĤޤǹʤΤˤ֤ޤ
823ڡ 10:18:13 47508

24äȤˤäȵդޤ
823ڡ 10:29:13 MAIL: 47509

10ĤļˤʤäƤΤdzȤĴ٤Ƥޤä᤯ǤˡͤƤߤޤ
823ڡ 10:38:40 MAIL: 47511
ߤ
(#47504)
ˣ³ȤϣĤܿĤ뤫
Ĵ٤Ф͡Ȱ°פ˹ͤȤϤޤǤ
ƤϰȤƤϣꣵʤΤǡʤ
ͤɤΤǤ

Τޤ˴ؤƤϡ֣ΰ̤οϤijݤƤѤϣ
ʤˣϤʤפȹͤΤ󥢥ꡣ
823ڡ 14:24:13 47512
ϥ饮㡼ƥ
10ʥ١åǥߥ졼󤷤ƣޤ

ȯǤ
823ڡ 22:09:56 HomePage:湩ؤ˥47513
cocogoo
an=1+3(n-1),n=100,a100=298, 1-2985ܿĴޤޤ뤫ꡣan=1+3(n-1)=5kȤѷ3n-2-3=5k-3,ä3(n+1)=5(k+1) n+1=5p,äƤan=15p-5, p=20ĤȤʤ뤬25,100,17552ġ250ϣĴޤΤǡ25ĤȤʤޤ
823ڡ 22:20:30 47514
ޤ
#47501 ߤ
Τˡϡ֥ӥפä⡣ȯǻα뤫ɤ
Ǥ礦áǤ3ܤǤ orz

#47498 Ȥ
#47507 ޤ륱
Τ褦˥ץȤΤϤǤ͡
ʤ⡢1Ԥǡ

somewhere in the world 824ʶ 4:35:37 47515
ֿء׾ι
٤ФǤ
ܿθĿܣܿθĿܣܿθĿᡩ
ܿϡ
ܿϡ
ܿϡ

824ʶ 23:04:57 47516
Ҥ
125ܿȤƤޤޤ
825ڡ 3:06:57 47517
ˤ
Ĥ䥬ˤĤƤøʤȤޤ
äѤꡢΤγ硢IJ򷲡٤ˤȡä
ٶۤɤ褦ʡ
Ķļˡ 825ڡ 9:41:10 47518
ޤ륱
ä礤ץߥ󥰸δĶʤƤ⡢ɤˤϽФ
WINDOWSΥХåեäƤġ
Τϡ礭ʿη׻ϤǤʤ顢0ĤȤʤ饫Ȥäƽȡݤ⡹298ޤǤʤΤǡ3夯餤Ĥƾ̷ϤФäڤΤƤƤäƤȤʡ

rem @echo OFF

set result=1
set zeronum=0
set m=1
set n=0

:loop1
set /a result=%result% * %m%

:loop2
set /a mod=%result% %% 10
if %mod% neq 0 goto next2
set /a result=%result% / 10
set /a zeronum=%zeronum% + 1
goto loop2

:next2
set /a result=%result% %% 1000

set /a m=%m% + 3
set /a n=%n% + 1
if %n% lss 100 goto loop1

echo %result%
echo %zeronum%

pause

exit /b
829ʿ 16:49:00 47519
ޤ륱
ʤߤˡ1000ĤޤǤ0250ġ10000ĤޤǤ2500ġ100000000ĤޤǤ250000000³Ȥ
829ʿ 16:51:44 47520

Фϡ
https://i.imgur.com/lxWi50Y.jpg
٤ߤʤΤ겼Ƥߤꤷơ(^^;

ɵ
ʸκǸǤĤοޤϤޤȤơ1ġפ˿롢Ȥ̣Ǥ

ɵ
ڤ줿ΤǥХ˸ޤ
https://a.scn.jp/pub/iHjW256
831ʶ 12:27:22 47521
ߤ
#47521
ݡμ껥ߤ˹ͤФΤǤ礦ּ껥α飱ܤ
ƱޡȤϥХХפߤˡ
ֲ᤬ƱޡΤߤܤΥޡϹͤʤƤ褤
֥ޡΥȥפȤϰäơۤʤ礬
Ȥˤա

Ȥƽꤹʤ顢ͶƳȤơ֣Τˤǡܤȣܤ
ʬϲ̤ꤢ뤫פ褤٤ˤʤꤽ
񤯤ΤϤ⤦ԤäƤޤ⤽äƤ뤫狼ʤʴˡ
830ڡ 3:25:17 47522
ǯ
#47521 Jޥޤꡢ٤ޤӤƤޤ󤬡ָפιޤǤ͡Ȥ߹碌ϣࡣ
Ȥ߹碌γơοޤˡʪġ̾ĤƤΤǤʪϣġʤΤǡ̴ۤⶶˤޤϤĤƤʤ
̲»Ⱦɫθˤ褦ǤܤǤϤʤܤξˤϣ̤

830ڡ 8:57:59 47523
Ȥ
Basic顡Maxima ˤοͤǤΤ
Ǥޤ!!

Y:[]$for a:1 while(mod(product(3*n-2,n,1,100),10^a)=0) do(
Y:encons([a],Y)
)$Y$first(%);

enterơ[25]
˭ԡ 830ڡ 1:52:34 MAIL:fttnm528@ybb.ne.jp 47524

ߤ󤵤󡢺ǯԤ
դ礤ꤢ꤬Ȥޤ
Ĥ褦˸ιοޤ򤽤Τޤˤޤ
ʤΤǻϤʤζϫ⤷Ƥޤ󡣾
ʪʤɤǤΤäȤ(ƻϤߤϤޤ)
֥פ򴶤ơĤޥ뤵
꤯ȤʤȤܤפäƤޤ
ʤȤΤʸǤ͢»ˤĤƤϲ
ΤʤΤǤȤƤ⤦ޤƤޤ
ΤˡݡƤޤ͡
ͶƳ䤤ϡ٥ʤפʤȻפޤ
äƤȤ狼ޤ52बǤ
ɤʤϲ񤭹Ǥȴ򤷤Ǥf(^_^)
7Τ7ܰȤϳΤ877̤ˤʤޤ͡
̲˥ȥ饤ƤΤǤǺǤ
ɫʸ?ɽƤΤǤ礦
»ˤĤƲɤǤߤΤ򤽤Ǥ

830ڡ 10:14:34 47525
٥륯åĥ
#47525Jޥޤ
ƱΤοǾʬΤʬ䤹Ȼפޤ
5Ʊ1̤ꡢ
4Ʊ5̤ꡢ
3Ʊ10̤ꡢ
3Ʊ+2Ʊ10̤ꡢ
2Ʊ10̤ꡢ
2Ʊ+2Ʊ103215̤ꡢ
ХХʤΤ1̤ꡣ
ǹ52̤Ǥ͡
830ڡ 11:12:55 47526
ߤ
#47525#47526
֥ݡμ껥Τ褦ʤΡפȽ񤤤Ȥꡢ٥륯åĥƱ
ˡǣ̤ˤʤޤ褫ääƤ
ȥפξϥޡषʤ֣ȤХХΥޡפ
̤ȤȤˤʤޤ
830ڡ 15:11:46 47527
㡼åۡॺ
̤˲򤱤ä...
830ڡ 19:01:28 47528
ǯ
#47525ʥޥޤ󡣤ߤޤ#47523ˤϵ㤤ޤ
ɫϰ̼᤿ΤǤϤʤɫϹ᤬6203ȡˤǤ7877ȡˤǤ׻Ǥä
ȤǤʿ»ˡݤܼȯŸס
ع¡侾ɫλˤϸΤ褦ʸϤޤ
¿ʬ˵ˡפȸƤФ뵭ˡäϤǤˡϸʸˤʤŤƤ봶Ǥ
ѿ黻Ҥϴɽ졢ͤϻڤˡä褦Ǥ

830ڡ 19:18:32 47529

٥륯åĥ󡢲ˡ򤢤꤬Ȥޤ
ߤ󤵤Ʊ͡ƱǤͤ¿äȤˡǤ礦
ʬ˷׻ǡȻפޤ
https://i.imgur.com/APgCdIO.jpg
Υ󥯤ϸƤޤ
#47531Υ󥯤򤴻Ȥ
nȤƤޤ(ɵǤ)ʬƷ׻Τۤڤ
ʤǤְ㤤뤫Ѥ餺ʥǥ(ϡ)

ä񤭴ְ㤨ȯޤ
2^n-1ϡ
2^(n-1)θǤޤ

ܤΡ2^(n-1)ϡ
1^n1!
(2^n-2C11^n)2!
ʬ򤹤ȵ§褯狼ޤ

ǯԤ󡢤虜虜ҤľƤѶ̤Ǥ
οޤΤȤܤäƤȤ򤤤Ǥ͡
ͻˤ෸γǰϤäΤǤ礦͡
ȤƤⶽ̣ܤˤ񤷤ʤõƤߤ褦Ȼפޤ
꤬Ȥޤ

95ʿ 18:25:42 47530

ˤϡ
볫顢ʸʤɤΥ󥯤ȿǤʤʤäƤޤޤ
(ԴǻȤߤ褯ʬäƤޤǤ餷ޤ)Τǡ
Х˸ޤ
nιξβμΤ򤢤Ƥޤ
ɾʬȼ¼Ѥޤ󤬡(^_^;)
ꤤޤ꤬Ȥޤ
https://a.scn.jp/pub/iHjW256
831ʶ 11:35:15 47531
ޤ륱
󡢤ޤ
https://oeis.org/A000110
831ʶ 13:32:48 47532

#47532 ޤ륱󤵤
꤬Ȥޤ缭ŵ¸ߤפ˺Ƥޤ
ֶ̤nĤΤΤ(İʾ)ѡƥʬۤο
Τ褦ʤΤǡŪ?˸Ʊȸޤ͡
餯ϹäƤΤȸäƤȡ
äȤäȤΤ̼ϤʤΤȥȤβΤۤ
ƤߤΤΡ񤷤ƻˤʬޤǤ

Ωϵ(1716-1736)ΤȤ졢
ɫ1690-1744줿ΤǤޤ˽ŤʤäƤΤǤ͡
ǯԤ󤬶Ƥä̲θϤ줿褦Ǥ
ΩȤ̵طʤΤʡ
831ʶ 17:26:08 47533