id:A116869 - OEIS Search Results

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Sixth column of triangle A028364.

+0
2

132, 297, 869, 2739, 8986, 30275, 104006, 362738, 1280592, 4566642, 16423581, 59497075, 216901454, 795117015, 2929034130, 10837075830, 40253156520, 150045410430, 561097823490, 2104382963214, 7913603390196 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Also sixth diagonal of triangle A067323.`
	FORMULA	`a(n)= A028364(n+5,5) = sum(C(k)C(n+5-k),k=0..5), with the Catalan numbers C(n):=A000108(n).` `G.f.: (c5(x)c(x)-(c5(x)-1)/x)/x^5, with c5(x) := sum(C(k)*x^k, k=0..5) and c(x) is the g.f. for the Catalan numbers A000108.`
	CROSSREFS	`Cf. A067296 (fifth column).` `Sequence in context: A102474 A015235 A063365 this_sequence A035141 A116154 A064059` `Adjacent sequences: A116866 A116867 A116868 this_sequence A116870 A116871 A116872`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Mar 24 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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