Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0101-0111 pattern in any orientation.
A147202
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0101-0111 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) =1021a(10) =8573a(11) =22795a(12) =308785a(13) =847643a(14) =66874367a(15) =234921783a(16) =36568568531a(17) =162590981411
External references
- oeis: A147202