id:A127968 - OEIS Search Results

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F(n+1)+(1-(-1)^n)/2, where F() + Fibonacci numbers A000045.

+0
2

1, 2, 2, 4, 5, 9, 13, 22, 34, 56, 89, 145, 233, 378, 610, 988, 1597, 2585, 4181, 6766, 10946, 17712, 28657, 46369, 75025, 121394, 196418, 317812, 514229, 832041, 1346269, 2178310, 3524578 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Row sums of A127967.`
	FORMULA	`G.f.: 1/(1-x-x^2)+x/(1-x^2)=(1+x-2x^2-x^3)/(1-x-2x^2+x^3+x^4)`
	CROSSREFS	`Adjacent sequences: A127965 A127966 A127967 this_sequence A127969 A127970 A127971` `Sequence in context: A102526 A050192 A007147 this_sequence A037026 A116651 A135586`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Feb 09 2007`

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.

AT&T Labs Research