Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1000-1111 pattern in any orientation.
A146595
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1000-1000-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =23a(7) =33a(8) =695a(9) =1485a(10) =24279a(11) =63655a(12) =1783137a(13) =5665457a(14) =342196123a(15) =1330513267a(16) =188030422867a(17) =910767193965
External references
- oeis: A146595