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A015155
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Sum of (Gaussian) q-binomial coefficients for q=-4.
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1
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1, 2, -1, 28, 121, 7382, -109261, 30010768, 1850263021, 1970456206922, -481096287226201, 2065208924598783748, 2021994980843488552801, 34652498137874270655807422, -135624483203827510877656066021
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..80
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MATHEMATICA
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Total/@Table[QBinomial[n, m, -4], {n, 0, 20}, {m, 0, n}] (* Vincenzo Librandi, Oct 23 2012 *)
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CROSSREFS
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Sequence in context: A012411 A012415 A012660 * A009822 A246909 A249269
Adjacent sequences: A015152 A015153 A015154 * A015156 A015157 A015158
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KEYWORD
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sign
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AUTHOR
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Olivier Gérard
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STATUS
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approved
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