A027024 - OEIS

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A027024

T(n,n+2), T given by A027023.

1, 5, 13, 27, 53, 101, 189, 351, 649, 1197, 2205, 4059, 7469, 13741, 25277, 46495, 85521, 157301, 289325, 532155, 978789, 1800277, 3311229, 6090303, 11201817, 20603357, 37895485, 69700667, 128199517, 235795677, 433695869 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,2`
	FORMULA	`G.f.: [x^2(1+x)^3]/[(1-x)(1-x-x^2-x^3)].`
	CROSSREFS	`Pairwise sums of A027053.` `Sequence in context: A023541 A079989 A062480 * A185039 A175254 A055328` `Adjacent sequences: A027021 A027022 A027023 * A027025 A027026 A027027`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 17 13:13 EST 2012. Contains 206031 sequences.