Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0010-1010-1111 pattern in any orientation.
A146776
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0010-1010-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =27a(8) =551a(9) =1025a(10) =9065a(11) =24039a(12) =430341a(13) =1208611a(14) =88984447a(15) =322624067a(16) =42836270201a(17) =190686627801
External references
- oeis: A146776