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A015190 Sum of (Gaussian) q-binomial coefficients for q=-21. 1
1, 2, -18, 844, 168404, 164477928, -687450157352, 14105258809884656, 1238186812120404030096, 533503696576292562518040352, -983466011800819442632186373851168, 8898776193390263176983910297292084624064 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..50

MATHEMATICA

Total/@Table[QBinomial[n, m, -21], {n, 0, 20}, {m, 0, n}] (* Vincenzo Librandi, Nov 01 2012 *)

CROSSREFS

Sequence in context: A297707 A131631 A306789 * A180606 A334553 A013040

Adjacent sequences:  A015187 A015188 A015189 * A015191 A015192 A015193

KEYWORD

sign

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified May 22 16:43 EDT 2022. Contains 353957 sequences. (Running on oeis4.)