Triangle of Gaussian binomial coefficients [ n,k ] for q = 4.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =1a(7) =21a(8) =21a(9) =1a(10) =1a(11) =85a(12) =357a(13) =85a(14) =1a(15) =1a(16) =341a(17) =5797a(18) =5797a(19) =341a(20) =1a(21) =1a(22) =1365a(23) =93093a(24) =376805a(25) =93093a(26) =1365a(27) =1a(28) =1a(29) =5461