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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..80

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

Adjacent sequences:  A015152 A015153 A015154 * A015156 A015157 A015158

KEYWORD

sign

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified June 30 02:41 EDT 2022. Contains 354913 sequences. (Running on oeis4.)