A015079 q-Catalan numbers (binomial version) for q=-11.

1, 1, 122, 1784993, 3162420494366, 677889092180295554010, 17582706239031734855147601736020, 55182061625844132594149408768243237640344385

Offset: 0

Author

Olivier Gérard

Keywords

• nonn
• easy

Formula

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