A015062 - OEIS

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A015062

q-Catalan numbers (binomial version) for q=-7.

1, 1, 50, 119757, 14094337902, 81246911474597002, 22950408766815313800875300, 317662868501471575977731478166067621, 215446318838899436153587239312460946873230930006

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..8.

FORMULA

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

CROSSREFS

Sequence in context: A146518 A229670 A152514 * A015038 A152515 A111402

Adjacent sequences: A015059 A015060 A015061 * A015063 A015064 A015065

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved