Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01010-11111 pattern in any orientation.
A147066
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01010-11111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =13a(6) =28a(7) =77a(8) =344a(9) =1851a(10) =11392a(11) =75139a(12) =594346a(13) =5700553a(14) =66311093a(15) =914949886
External references
- oeis: A147066