Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1100-1111 pattern in any orientation.
A146784
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1100-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =19a(7) =31a(8) =615a(9) =1219a(10) =16139a(11) =42305a(12) =1128827a(13) =3502811a(14) =254593369a(15) =985218883a(16) =138612115423a(17) =664622922147
External references
- oeis: A146784