id:A068030 - OEIS Search Results

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Number of subsets of {1,2,3,...,n} that sum to 0 mod 9.

+0
2

1, 1, 1, 1, 2, 4, 8, 15, 30, 60, 116, 230, 458, 912, 1824, 3648, 7286, 14572, 29144, 58264, 116524, 233044, 466048, 932096, 1864192, 3728300, 7456600, 14913200, 29826224, 59652440, 119304872, 238609408, 477218816, 954437632, 1908874584 (list; graph; listen)

	OFFSET	`0,5`
	CROSSREFS	`9th row of A068009.` `Sequence in context: A018088 A018089 A124312 this_sequence A052325 A092603 A086125` `Adjacent sequences: A068027 A068028 A068029 this_sequence A068031 A068032 A068033`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen, Feb 11 2002`

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.

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