Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones, up to rotational symmetry.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =1a(8) =1a(9) =3a(10) =10a(11) =22a(12) =34a(13) =34a(14) =22a(15) =10a(16) =3a(17) =1a(18) =1a(19) =4a(20) =32a(21) =140a(22) =464a(23) =1092a(24) =2016a(25) =2860a(26) =3238a(27) =2860a(28) =2016a(29) =1092