A054128 - OEIS

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A054128

T(n,2), array T as in A054126.

2, 7, 24, 68, 171, 398, 880, 1880, 3925, 8070, 16426, 33216, 66887, 134334, 269348, 539512, 1079993, 2161126, 4323582, 8648704, 17299179, 34600382, 69203064, 138408728, 276820381, 553644038, 1107291730, 2214587520 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	FORMULA	`G.f.: x^2(-x^5+5x^4-10x^3+10x^2-5x+2)/[(1-2x)(1-x)^4].`
	CROSSREFS	`Sequence in context: A112089 A075062 A022497 * A082047 A129020 A024024` `Adjacent sequences: A054125 A054126 A054127 * A054129 A054130 A054131`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 16 13:12 EST 2012. Contains 205909 sequences.