id:A027976 - OEIS Search Results

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n-th diagonal sum of right justified array T given by A027960.

+0
2

1, 1, 4, 6, 10, 18, 29, 47, 78, 126, 204, 332, 537, 869, 1408, 2278, 3686, 5966, 9653, 15619, 25274, 40894, 66168, 107064, 173233, 280297, 453532, 733830 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: (2x^2+1) / [(1-x^3)(1-x-x^2)].`
	CROSSREFS	`Cf. A004695.` `Sequence in context: A117149 A165186 A108232 this_sequence A108900 A076995 A096817` `Adjacent sequences: A027973 A027974 A027975 this_sequence A027977 A027978 A027979`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research