id:A017819 - OEIS Search Results

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Expansion of 1/(1-x^3-x^4-x^5-x^6).

+0
1

1, 0, 0, 1, 1, 1, 2, 2, 3, 5, 6, 8, 12, 16, 22, 31, 42, 58, 81, 111, 153, 212, 292, 403, 557, 768, 1060, 1464, 2020, 2788, 3849, 5312, 7332, 10121, 13969, 19281, 26614, 36734, 50703, 69985, 96598, 133332, 184036 (list; graph; listen)

	OFFSET	`0,7`
	FORMULA	`a(n) = a(n-6) + a(n-5) + a(n-4) + a(n-3). - Jon Schoenfield (jonscho(AT)hiwaay.net), Aug 07 2006` `a(n) = a(n-1) + a(n-4) + {1, -1, or 0} depending on whether n mod 3 is {0, 1, or 2}. - Barry Cipra, Mar 03 2008.`
	CROSSREFS	`Cf. A137200.` `Adjacent sequences: A017816 A017817 A017818 this_sequence A017820 A017821 A017822` `Sequence in context: A032153 A116465 A117356 this_sequence A050044 A004037 A050380`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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