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A068031 Number of subsets of {1,2,3,...,n} that sum to 0 mod 10. +0
3
1, 1, 1, 1, 2, 4, 7, 13, 26, 52, 104, 206, 410, 820, 1640, 3280, 6556, 13108, 26216, 52432, 104864, 209720, 419432, 838864, 1677728, 3355456, 6710896, 13421776, 26843552, 53687104, 107374208, 214748384, 429496736, 858993472, 1717986944 (list; graph; listen)
OFFSET

0,5

CROSSREFS

10th row of A068009.

Sequence in context: A103204 A017995 A099155 this_sequence A023431 A025246 A112740

Adjacent sequences: A068028 A068029 A068030 this_sequence A068032 A068033 A068034

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 11 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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