Triangle read by rows: T(n,k) is the number of n X n matrices of rank k over F_2.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =6a(6) =1a(7) =49a(8) =294a(9) =168a(10) =1a(11) =225a(12) =7350a(13) =37800a(14) =20160a(15) =1a(16) =961a(17) =144150a(18) =4036200a(19) =19373760a(20) =9999360a(21) =1a(22) =3969a(23) =2542806a(24) =326932200a(25) =8543828160a(26) =39687459840a(27) =20158709760a(28) =1a(29) =16129