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Search: id:A050988
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A050988 6-idempotent numbers. +0
3
1, 42, 1008, 18144, 272160, 3592512, 43110144, 480370176, 5043886848, 50438868480, 484213137408, 4489976365056, 40409787285504, 354362750042112, 3037395000360960, 25514118003032064 (list; graph; listen)
OFFSET

6,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

FORMULA

6^n * C(n, 6). G.f.: 1/(1-6x)^6.

CROSSREFS

Cf. A000027, A001788, A036216, A040075, A050982, A050989.

Adjacent sequences: A050985 A050986 A050987 this_sequence A050989 A050990 A050991

Sequence in context: A004422 A020932 A036400 this_sequence A075511 A016094 A004361

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.


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