Triangle of Gaussian binomial coefficients [ n,k ] for q = 21.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =22a(5) =1a(6) =1a(7) =463a(8) =463a(9) =1a(10) =1a(11) =9724a(12) =204646a(13) =9724a(14) =1a(15) =1a(16) =204205a(17) =90258610a(18) =90258610a(19) =204205a(20) =1a(21) =1a(22) =4288306a(23) =39804251215a(24) =835975245820a(25) =39804251215a(26) =4288306a(27) =1a(28) =1a(29) =90054427