A015189 Sum of (Gaussian) q-binomial coefficients for q=-20.

1, 2, -17, 764, 137545, 122514326, -439899108893, 7840036943267888, 563086539896825644669, 200706071912897689508021450, -288299907015593990815045809601769, 2055229599788057603302245120218872775012, 59043825067253137194943604004923346683555151793

Offset

0,2

Links

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

Mathematica

Total/@Table[QBinomial[n, m, -20], {n, 0, 20}, {m, 0, n}] (* Harvey P. Dale, Aug 27 2012 *)

Crossrefs

Sequence in context: A054867 A268270 A167436 * A012944 A013099 A013060

Adjacent sequences: A015186 A015187 A015188 * A015190 A015191 A015192

Keyword

sign

Author

Olivier Gérard

Extensions

More terms from Harvey P. Dale, Aug 27 2012

Status

approved