Triangle of q-binomial coefficients for q=-7.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-6a(5) =1a(6) =1a(7) =43a(8) =43a(9) =1a(10) =1a(11) =-300a(12) =2150a(13) =-300a(14) =1a(15) =1a(16) =2101a(17) =105050a(18) =105050a(19) =2101a(20) =1a(21) =1a(22) =-14706a(23) =5149551a(24) =-35927100a(25) =5149551a(26) =-14706a(27) =1a(28) =1a(29) =102943