id:A026625 - OEIS Search Results

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Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026615.

+0
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1, 1, 2, 4, 7, 13, 21, 36, 58, 96, 155, 253, 409, 664, 1074, 1740, 2815, 4557, 7373, 11932, 19306, 31240, 50547, 81789, 132337, 214128, 346466, 560596, 907063, 1467661, 2374725, 3842388, 6217114, 10059504, 16276619, 26336125 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`For n>1, a(n) = Fibonacci(n-1) + Lucas(n) - [3+(-1)^n]/2. - R. Stephan, May 13 2004`
	CROSSREFS	`Adjacent sequences: A026622 A026623 A026624 this_sequence A026626 A026627 A026628` `Sequence in context: A037032 A090752 A051058 this_sequence A026691 A018150 A019471`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified May 16 22:57 EDT 2008. Contains 139737 sequences.

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