A130845 - OEIS

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A130845

a(n) = a(n+1) = a(n+2) = A001477, a(n+3) = A005408.

0, 0, 0, 1, 1, 1, 1, 3, 2, 2, 2, 5, 3, 3, 3, 7, 4, 4, 4, 9, 5, 5, 5, 11, 6, 6, 6, 13, 7, 7, 7, 15, 8, 8, 8, 17, 9, 9, 9, 19, 10, 10, 10, 21, 11, 11, 11, 23, 12, 12, 12, 25, 13, 13, 13, 27, 14, 14, 14, 29, 15, 15, 15, 31, 16, 16, 16, 33, 17, 17, 17 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,8`
	FORMULA	`O.g.f.: x^3(1+x+x^2+x^3+x^4)/((1-x)^2(1+x)^2(1+x^2)^2). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 22 2008]`
	CROSSREFS	`Sequence in context: A102845 A064126 A175333 * A134653 A090207 A202538` `Adjacent sequences: A130842 A130843 A130844 * A130846 A130847 A130848`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Jul 20 2007`
	EXTENSIONS	`Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 28 2007`

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.