Triangle of (Gaussian) q-binomial coefficients for q=-18.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-17a(5) =1a(6) =1a(7) =307a(8) =307a(9) =1a(10) =1a(11) =-5525a(12) =99775a(13) =-5525a(14) =1a(15) =1a(16) =99451a(17) =32321575a(18) =32321575a(19) =99451a(20) =1a(21) =1a(22) =-1790117a(23) =10472289751a(24) =-188467103825a(25) =10472289751a(26) =-1790117a(27) =1a(28) =1a(29) =32222107