id:A095122 - OEIS Search Results

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Fib(n)(2Fib(n)-1).

+0
1

0, 1, 1, 6, 15, 45, 120, 325, 861, 2278, 5995, 15753, 41328, 108345, 283881, 743590, 1947351, 5099221, 13351528, 34957341, 91523685, 239618886, 627341331, 1642418641, 4299936480, 11257426225, 29472399505, 77159865030, 202007345631 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`mod(A095122(n),2)=mod(Fib(n),2)=A011655(n)`
	FORMULA	`G.f. : x(1-2x+2x^2+x^3)/((1+x)(1-x-x^2)(1-3x+x^2)); a(n)=2(Fib(2n-1)+Fib(2n+1))/5-Fib(n)+4(-1)^n/5; a(n)=2L(2n)/5-Fib(n)+4(-1)^n/5; a(n)=2*A000032(2n)/5-A000045(n)+4(-1)^n/5.`
	CROSSREFS	`Adjacent sequences: A095119 A095120 A095121 this_sequence A095123 A095124 A095125` `Sequence in context: A106368 A100491 A117961 this_sequence A082637 A106272 A051169`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 29 2004`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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