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Search: id:A104344
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A104344 Sum[k!^2,{k,n}]. +0
3
1, 5, 41, 617, 15017, 533417, 25935017, 1651637417, 133333531817, 13301522971817, 1606652445211817, 231049185247771817, 39006837228880411817, 7639061293780877851817, 1717651314017980301851817 (list; graph; listen)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Factorial Sums

MATHEMATICA

s=0; lst={}; Do[AppendTo[lst, s+=n!^2], {n, 4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 24 2009]

CROSSREFS

Sequence in context: A144286 A139034 A073854 this_sequence A100288 A076094 A076131

Adjacent sequences: A104341 A104342 A104343 this_sequence A104345 A104346 A104347

KEYWORD

nonn,easy

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Mar 02, 2005

EXTENSIONS

More terms and Mathematica program Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 24 2009

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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