Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1110-1111 pattern in any orientation.
A146744
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1110-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =17a(5) =29a(6) =123a(7) =759a(8) =4287a(9) =32985a(10) =430679a(11) =4420973a(12) =81497997a(13) =1458257461a(14) =41635242773
External references
- oeis: A146744