%I #4 Mar 30 2012 17:20:37
%S 1,1,122,1784993,3162420494366,677889092180295554010,
%T 17582706239031734855147601736020,
%U 55182061625844132594149408768243237640344385
%N q-Catalan numbers (binomial version) for q=-11.
%F {1 / (n+1)_q} {2 n choose n}_q.
%K nonn,easy
%O 0,3
%A _Olivier Gérard_