Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0111-0100 pattern in any orientation.
A146462
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0111-0100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =17a(7) =31a(8) =679a(9) =1365a(10) =17627a(11) =46035a(12) =1583863a(13) =5152353a(14) =644498775a(15) =2733408045a(16) =569392682481
External references
- oeis: A146462