Triangle of number of nonsingular n X n matrices over GF(2) by number of ones.

Terms

a(0) =1a(1) =0a(2) =2a(3) =4a(4) =0a(5) =0a(6) =6a(7) =36a(8) =72a(9) =36a(10) =18a(11) =0a(12) =0a(13) =0a(14) =24a(15) =288a(16) =1440a(17) =3648a(18) =4752a(19) =4992a(20) =2592a(21) =1728a(22) =600a(23) =96a(24) =0a(25) =0a(26) =0a(27) =0a(28) =120a(29) =2400