Triangle of q-binomial coefficients for q=-4.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =-3a(5) =1a(6) =1a(7) =13a(8) =13a(9) =1a(10) =1a(11) =-51a(12) =221a(13) =-51a(14) =1a(15) =1a(16) =205a(17) =3485a(18) =3485a(19) =205a(20) =1a(21) =1a(22) =-819a(23) =55965a(24) =-219555a(25) =55965a(26) =-819a(27) =1a(28) =1a(29) =3277