id:A102425 - OEIS Search Results

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Let pi be an unrestricted partition of n with the summands written as binary numbers; a(n) is the number of such partitions with an even number of binary ones.

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0, 1, 2, 2, 4, 6, 6, 12, 16, 20, 28, 40, 48, 69, 91, 111, 150, 197, 238, 319, 398, 493, 634, 792, 968, 1226, 1510, 1846, 2293, 2811 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`a(5)=4 because there are 4 partitions of 5 whose binary representations have an even number of binary ones, namely 101, 100+1, 11+1+1, 10+1+1+1.`
	CROSSREFS	`Sequence in context: A065457 A000784 A092991 this_sequence A162608 A143216 A086536` `Adjacent sequences: A102422 A102423 A102424 this_sequence A102426 A102427 A102428`
	KEYWORD	`nonn`
	AUTHOR	`David Newman (DavidSNewman(AT)hotmail.com), Feb 23 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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