Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1101-1111 pattern in any orientation.
A146864
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1101-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =13a(6) =33a(7) =41a(8) =1409a(9) =3235a(10) =90107a(11) =256175a(12) =6239335a(13) =21132187a(14) =2159343451a(15) =9249857635
External references
- oeis: A146864