id:A109541 - OEIS Search Results

Search: id:A109541

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a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+2*a(n-6)+a(n-7).

+0
1

1, 1, 1, 1, 1, 1, 1, 7, 7, 13, 19, 31, 49, 85, 133, 217, 349, 565, 913, 1483, 2395, 3877, 6271, 10147, 16417, 26569, 42985, 69553, 112537, 182089, 294625, 476719, 771343, 1248061, 2019403, 3267463, 5286865, 8554333, 13841197, 22395529, 36236725 (list; graph; listen)

	OFFSET	`0,8`
	MATHEMATICA	`F[1] = 1; F[2] = 1; F[3] = 1; F[4] = 1; F[5] = 1; F[6] = 1; F[7] = 1; F[n__] := F[n] = F[n - 2] + F[n - 3] + F[n - 4] + F[n - 5] + 2*F[n - 6] + F[n - 7] aa = Table[F[n], {n, 1, 50}]`
	CROSSREFS	`Sequence in context: A072821 A038589 A109539 this_sequence A040043 A003872 A112438` `Adjacent sequences: A109538 A109539 A109540 this_sequence A109542 A109543 A109544`
	KEYWORD	`nonn`
	AUTHOR	`Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 20 2005`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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