id:A119022 - OEIS Search Results

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A119022

Inverse binomial transform of A119020, even-indexed terms only, since all odd-indexed terms are equal to zero.

+0
3

1, 1, 4, 20, 154, 1302, 12672, 129558, 1462890, 17537234, 223689128, 2959757528, 40637432332, 573938538500, 8324542177200, 123276663007740, 1861540558106490, 28613268804680010, 447616821726181800 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`A119020 is the eigenvector of triangle A055151 of Motzkin polynomial coefficients.`
	FORMULA	`a(n) = A119020(n)C(2n,n)/(n+1) = A119020(n)A000108(n).`
	CROSSREFS	`Cf. A119020, A119021, A000108 (Catalan).` `Sequence in context: A001171 A167018 A094070 this_sequence A006682 A115852 A058381` `Adjacent sequences: A119019 A119020 A119021 this_sequence A119023 A119024 A119025`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), May 09 2006`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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