Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.
A147050
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1100-0111-0010 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =5a(6) =17a(7) =45a(8) =201a(9) =861a(10) =4033a(11) =28285a(12) =222873a(13) =2292605a(14) =26123281a(15) =391420701a(16) =6423928729
External references
- oeis: A147050