A015055 q-Catalan numbers (binomial version) for q=12.

1, 1, 145, 3008593, 8984079652177, 3863006623296221245777, 239187274872617784539568647160145, 2132617833186094044575170253829071294297506129

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: A265439 A060720 A015081 * A166071 A124969 A294594

Adjacent sequences: A015052 A015053 A015054 * A015056 A015057 A015058

Keyword

nonn,easy

Author

Olivier Gérard

Status

approved