id:A133683 - OEIS Search Results

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Linear recurrence a(n) = a(n-3) + 2a(n-5), starting from all-one initial conditions.

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1, 1, 1, 1, 1, 3, 3, 3, 5, 5, 9, 11, 11, 19, 21, 29, 41, 43, 67, 83, 101, 149, 169, 235, 315, 371, 533, 653, 841, 1163, 1395, 1907, 2469, 3077, 4233, 5259, 6891, 9171, 11413, 15357, 19689, 25195, 33699, 42515, 55909 (list; graph; listen)

	OFFSET	`1,6`
	FORMULA	`O.g.f.: -x(1+x+x^2)/(-1+x^3+2x^5) . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 07 2008`
	EXAMPLE	`a(14) = a(11) + 2a(9) = 9 + 2*5 = 19`
	CROSSREFS	`Adjacent sequences: A133680 A133681 A133682 this_sequence A133684 A133685 A133686` `Sequence in context: A077886 A096015 A046702 this_sequence A117900 A122519 A100026`
	KEYWORD	`easy,nonn`
	AUTHOR	`David Eppstein (david.eppstein(AT)gmail.com), Jan 04 2008`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

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