Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1111-0010 pattern in any orientation.
A146372
Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0100-1111-0010 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =13a(6) =27a(7) =135a(8) =531a(9) =2573a(10) =17743a(11) =176473a(12) =1599401a(13) =23234641a(14) =323134671a(15) =6982586189a(16) =150620917453
External references
- oeis: A146372