Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 00100-00100-11111 pattern in any orientation.
A147002
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 00100-00100-11111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =5a(6) =20a(7) =47a(8) =155a(9) =569a(10) =2601a(11) =13423a(12) =95231a(13) =685877a(14) =6411543a(15) =61586198
External references
- oeis: A147002