Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-0100-1111 pattern in any orientation.
A146792
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0110-0100-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =29a(8) =597a(9) =1129a(10) =8865a(11) =24301a(12) =252485a(13) =677761a(14) =72037073a(15) =260058405a(16) =50790437661a(17) =228224469561
External references
- oeis: A146792