A027966 - OEIS

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A027966

T(n,2n-4), T given by A027960.

1, 4, 11, 26, 54, 101, 174, 281, 431, 634, 901, 1244, 1676, 2211, 2864, 3651, 4589, 5696, 6991, 8494, 10226, 12209, 14466, 17021, 19899, 23126, 26729, 30736, 35176, 40079 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,2`
	FORMULA	`G.f.: x^2*(1-x+x^2+x^3-x^4)/(1-x)^5. Differences of A027967. - Ralf Stephan, Feb 07 2004`
	CROSSREFS	`A column of triangle A026998.` `Sequence in context: A077270 A076048 A109414 * A141534 A192961 A027660` `Adjacent sequences: A027963 A027964 A027965 * A027967 A027968 A027969`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.