id:A118409 - OEIS Search Results

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Unsigned row sums of triangle A118407.

+0
3

1, 1, 3, 5, 5, 7, 11, 17, 21, 27, 47, 73, 85, 111, 187, 289, 341, 443, 751, 1161, 1365, 1775, 3003, 4641, 5461, 7099, 12015, 18569, 21845, 28399, 48059, 74273, 87381, 113595, 192239, 297097, 349525, 454383, 768955, 1188385, 1398101, 1817531 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1+2x^2+2x^3-3x^4+2x^5-2x^6)/(1+x^4)/(1-4x^4)/(1-x).`
	PROGRAM	`(PARI) {a(n)=polcoeff((1+2x^2+2x^3-3x^4+2x^5-2x^6)/(1+x^4)/(1-4x^4)/(1-x+x*O(x^n)), n)}`
	CROSSREFS	`Cf. A118407 (triangle), A118408 (row sums).` `Sequence in context: A058020 A069201 A077800 this_sequence A090941 A090917 A019632` `Adjacent sequences: A118406 A118407 A118408 this_sequence A118410 A118411 A118412`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Apr 27 2006`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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