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A015078
q-Catalan numbers (binomial version) for q=-10.
0
1, 1, 101, 1009101, 1009191919101, 100918283737382819101, 1009183745648382838465473819101, 1009183654821945740211120375492184563819101
OFFSET
0,3
FORMULA
{1 / (n+1)_q} {2 n choose n}_q.
CROSSREFS
Sequence in context: A138721 A068659 A252491 * A031982 A015041 A317957
KEYWORD
nonn,easy
STATUS
approved