Table read by antidiagonals where A(n,k) is the number of n X k aperiodic binary arrays.

Terms

a(0) =2a(1) =2a(2) =2a(3) =6a(4) =8a(5) =6a(6) =12a(7) =54a(8) =54a(9) =12a(10) =30a(11) =216a(12) =486a(13) =216a(14) =30a(15) =54a(16) =990a(17) =4020a(18) =4020a(19) =990a(20) =54a(21) =126a(22) =3912a(23) =32730a(24) =64800a(25) =32730a(26) =3912a(27) =126a(28) =240a(29) =16254