Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1101-0111 pattern in any orientation.
A147058
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1101-0111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =17a(6) =47a(7) =213a(8) =1235a(9) =4969a(10) =37883a(11) =407179a(12) =4619435a(13) =65431997a(14) =1207923913a(15) =24951197669a(16) =667166329171
External references
- oeis: A147058