A026658 - OEIS

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A026658

Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026648.

1, 1, 2, 4, 6, 11, 17, 30, 47, 86, 133, 242, 375, 679, 1054, 1914, 2968, 5389, 8357, 15166, 23523, 42698, 66221, 120204, 186425, 338381, 524806, 952592, 1477398, 2681683, 4159081, 7549278, 11708359, 21252226, 32960585, 59827870 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	FORMULA	`G.f.: (-x^6+2x^5+x^4+2x^3+x+1)/(x^8-4x^6-x^4-2x^2+1).`
	CROSSREFS	`Sequence in context: A014217 A034297 A026636 * A138688 A131298 A168445` `Adjacent sequences: A026655 A026656 A026657 * A026659 A026660 A026661`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.