Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-1111-0100 pattern in any orientation.
A146707
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-1111-0100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =21a(8) =585a(9) =1175a(10) =13343a(11) =33851a(12) =942879a(13) =2905569a(14) =245036529a(15) =956768823a(16) =144790868423a(17) =705471995975
External references
- oeis: A146707