A015146 Triangle of (Gaussian) q-binomial coefficients for q=-21.

1, 1, 1, 1, -20, 1, 1, 421, 421, 1, 1, -8840, 186082, -8840, 1, 1, 185641, 82053322, 82053322, 185641, 1, 1, -3898460, 36185700643, -759813761720, 36185700643, -3898460, 1, 1, 81867661, 15957890085103, 7036671432989563

Offset

0,5

Links

Table of n, a(n) for n=0..31.

Mathematica

Table[QBinomial[n, m, -21], {n, 0, 10}, {m, 0, n}]//Flatten (* Harvey P. Dale, Oct 16 2022 *)

Crossrefs

Sequence in context: A144443 A257608 A022183 * A064033 A040409 A040408

Adjacent sequences: A015143 A015144 A015145 * A015147 A015148 A015149

Keyword

sign,tabl,easy

Author

Olivier Gérard

Status

approved