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A130649 Generalized ballot transform of generalized Catalan numbers C(2;n)=A064062(n). +0
1
1, 2, 8, 42, 260, 1796, 13372, 104922, 854964, 7165500 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=Sum_{k, 0<=k<=n}A039599(n,k)*A064062(k).

CROSSREFS

Sequence in context: A018934 A107588 A013999 this_sequence A054993 A005315 A121635

Adjacent sequences: A130646 A130647 A130648 this_sequence A130650 A130651 A130652

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jun 20 2007

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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