A015042 q-Catalan numbers (binomial version) for q=11.

1, 1, 122, 1787655, 3167175688854, 678916835046916685242, 17609365062977481891291808896932, 55265734103510888653163896029554175314160719

Offset

0,3

Links

Table of n, a(n) for n=0..7.

Formula

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

Crossrefs

Sequence in context: A237640 A258489 A015079 * A062233 A351406 A123171

Adjacent sequences: A015039 A015040 A015041 * A015043 A015044 A015045

Keyword

nonn,easy

Author

Olivier Gérard

Status

approved