id:A054894 - OEIS Search Results

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a_{k+1} = 4*a_k + 4*a_{k-1} - 4*a_{k-2} - a_{k-3}, a_1=1, a_2=2, a_3=11, a_4=48.

+0
4

1, 2, 11, 48, 227, 1054, 4921, 22944, 107017, 499106, 2327795, 10856592, 50634107, 236152510, 1101392305, 5136786240, 23957470033, 111735303362, 521122556315, 2430464772336, 11335450631123, 52867436085214, 246568565219689 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = Sum_{k=1..n} Fibonacci(k)^3*a(n-k), a(0)=1. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Apr 23 2003`
	CROSSREFS	`Cf. A055518, A055519.` `Sequence in context: A019005 A112288 A003442 this_sequence A139475 A034568 A036996` `Adjacent sequences: A054891 A054892 A054893 this_sequence A054895 A054896 A054897`
	KEYWORD	`easy,nonn`
	AUTHOR	`Barry Cipra (cipra(AT)microassist.com), Jul 04 2000`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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