Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1110-1111 pattern in any orientation.
A146739
Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1110-1111 pattern in any orientation.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =13a(6) =35a(7) =63a(8) =1587a(9) =3733a(10) =130673a(11) =393655a(12) =13792523a(13) =50382037a(14) =6128617283a(15) =28568095487
External references
- oeis: A146739