Triangle of q-binomial coefficients for q=-6.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-5a(5) =1a(6) =1a(7) =31a(8) =31a(9) =1a(10) =1a(11) =-185a(12) =1147a(13) =-185a(14) =1a(15) =1a(16) =1111a(17) =41107a(18) =41107a(19) =1111a(20) =1a(21) =1a(22) =-6665a(23) =1480963a(24) =-8838005a(25) =1480963a(26) =-6665a(27) =1a(28) =1a(29) =39991