A054129 - OEIS

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A054129

T(n,3), array T as in A054126.

2, 9, 39, 134, 394, 1040, 2542, 5876, 13039, 28080, 59163, 122694, 251576, 511720, 1035068, 2085640, 4191629, 8409592, 16852833, 33748170, 67549470, 135164720, 270410170, 540918620, 1081955995, 2164054496 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,1`
	FORMULA	`G.f.: x^3(-x^7+7x^6-21x^5+35x^4-35x^3+21x^2-7x+2)/[(1-2x)(1-x)^6].`
	CROSSREFS	`Sequence in context: A069724 A132961 A070017 * A037737 A037632 A095939` `Adjacent sequences: A054126 A054127 A054128 * A054130 A054131 A054132`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 18:11 EST 2012. Contains 206061 sequences.