A011779 - OEIS

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A011779

Expansion of 1/((1-x)^3*(1-x^3)^2).

1, 3, 6, 12, 21, 33, 51, 75, 105, 145, 195, 255, 330, 420, 525, 651, 798, 966, 1162, 1386, 1638, 1926, 2250, 2610, 3015, 3465, 3960, 4510, 5115, 5775, 6501, 7293, 8151, 9087, 10101, 11193, 12376, 13650 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`The Ca2 and Ze4 triangle sums of A139600 are related to the sequence given above, e.g. Ze4(n) = A011779(n-1) - A011779(n-2) - A011779(n-4) + 3*A011779(n-5), with A011779(n) = 0 for n <= -1. For the definitions of these triangle sums see A180662. [From Johannes W. Meijer, Apr 29 2011]`
	CROSSREFS	`Sequence in context: A054064 A053479 A070333 * A161809 A084439 A034344` `Adjacent sequences: A011776 A011777 A011778 * A011780 A011781 A011782`
	KEYWORD	`nonn`
	AUTHOR	`Emeric Deutsch (deutsch(AT)duke.poly.edu)`

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.