Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 10000-11111-10000 pattern in any orientation.
A147082
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 10000-11111-10000 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =9a(6) =17a(7) =37a(8) =127a(9) =477a(10) =2126a(11) =12479a(12) =73108a(13) =516995a(14) =4269319a(15) =43333873a(16) =484061833
External references
- oeis: A147082