A027968 - OEIS

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A027968

T(n,2n-6), T given by A027960.

1, 4, 11, 29, 73, 171, 370, 743, 1397, 2482, 4201, 6821, 10685, 16225, 23976, 34591, 48857, 67712, 92263, 123805, 163841, 214103, 276574, 353511, 447469, 561326, 698309, 862021, 1056469, 1286093, 1555796, 1870975, 2237553 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,2`
	FORMULA	`G.f.: x^3*(1-3x+4x^2+x^3-4x^4+3x^5-x^6)/(1-x)^7. Differences of A027969. - Ralf Stephan, Feb 07 2004`
	CROSSREFS	`A column of triangle A026998.` `Sequence in context: A062432 A131046 A109803 * A027970 A027972 A098149` `Adjacent sequences: A027965 A027966 A027967 * A027969 A027970 A027971`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 04:43 EST 2012. Contains 205982 sequences.