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

A323861

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

Terms

    a(0) =2a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =3a(7) =9a(8) =9a(9) =3a(10) =6a(11) =27a(12) =54a(13) =27a(14) =6a(15) =9a(16) =99a(17) =335a(18) =335a(19) =99a(20) =9a(21) =18a(22) =326a(23) =2182a(24) =4050a(25) =2182a(26) =326a(27) =18a(28) =30a(29) =1161

External references