Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1111-0100 pattern in any orientation.
A146374
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0100-1111-0100 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =29a(7) =11a(8) =899a(9) =319a(10) =40083a(11) =6733a(12) =3227138a(13) =377583a(14) =692995026a(15) =72214151a(16) =372813760407a(17) =27637627655
External references
- oeis: A146374