4034589

Appears in sequences

• Number of n X n binary arrays with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.at n=11A146901
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.at n=24A146903
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.at n=25A146903
• G.f. satisfies: A(x) = 1 + (x-x^2)*A(x)^3.at n=12A200753