id:A025426 - OEIS Search Results

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Number of partitions of n into 2 nonzero squares.

+0
5

0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 2, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0 (list; graph; listen)

	OFFSET	`0,51`
	COMMENT	`For records see A007511, A048610, A016032. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 26 2008`
	FORMULA	`Let m=A004018(n)/4. If m is even then a(n)=m/2, otherwise a(n) = (m - (-1)^A007814(n))/2. [From Max Alekseyev (maxale(AT)gmail.com), Mar 09 2009, Mar 14 2009]`
	CROSSREFS	`Sequence in context: A022902 A037273 A158924 this_sequence A053200 A050870 A103306` `Adjacent sequences: A025423 A025424 A025425 this_sequence A025427 A025428 A025429`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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

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