Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1111-0101 pattern in any orientation.
A147184
Number of n X n binary arrays symmetric under 180 degree rotation 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) =5a(5) =25a(6) =51a(7) =201a(8) =1169a(9) =6421a(10) =46097a(11) =426039a(12) =4475987a(13) =69749651a(14) =1072403047
External references
- oeis: A147184