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A015058
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q-Catalan numbers (binomial version) for q=-4.
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1
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1, 1, 17, 4305, 17685969, 1158222948817, 1214707441621563857, 20378476519005090654009809, 5470368244500158631765129973873105, 23494985488623606981701685225398976313178577
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history;
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internal format)
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OFFSET
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0,3
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LINKS
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FORMULA
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{1 / (n+1)_q} {2 n choose n}_q.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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