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A015155
Sum of (Gaussian) q-binomial coefficients for q=-4.
1
1, 2, -1, 28, 121, 7382, -109261, 30010768, 1850263021, 1970456206922, -481096287226201, 2065208924598783748, 2021994980843488552801, 34652498137874270655807422, -135624483203827510877656066021
OFFSET
0,2
LINKS
MATHEMATICA
Total/@Table[QBinomial[n, m, -4], {n, 0, 20}, {m, 0, n}] (* Vincenzo Librandi, Oct 23 2012 *)
CROSSREFS
Sequence in context: A012411 A012415 A012660 * A009822 A246909 A249269
KEYWORD
sign
STATUS
approved