Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-0101 pattern in any orientation.
A147179
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1111-0101 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =21a(8) =565a(9) =1145a(10) =12479a(11) =31399a(12) =640435a(13) =1895643a(14) =107049481a(15) =386487735a(16) =48463219765a(17) =218714170211
External references
- oeis: A147179