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A015033 q-Catalan numbers (binomial version) for q=3. 0
1, 1, 10, 847, 627382, 4138659802, 244829520301060, 130191700295480695111, 622829375926755523108996006, 26812578369717035183629988539429726, 10387976772168532331015929118843873280496300 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

{1 / (n+1)_q} {2 n choose n}_q.

CROSSREFS

Sequence in context: A013437 A006714 A203533 * A126677 A054328 A203590

Adjacent sequences:  A015030 A015031 A015032 * A015034 A015035 A015036

KEYWORD

nonn,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.