%I #4 Mar 30 2012 17:20:37
%S 1,1,17,4305,17685969,1158222948817,1214707441621563857,
%T 20378476519005090654009809,5470368244500158631765129973873105,
%U 23494985488623606981701685225398976313178577
%N q-Catalan numbers (binomial version) for q=-4.
%F {1 / (n+1)_q} {2 n choose n}_q.
%K nonn,easy
%O 0,3
%A _Olivier GĂ©rard_
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