155266

Appears in sequences

• Number of (n+2)X(2+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.at n=7A252082
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4.at n=37A252088
• G.f. satisfies A(x) = x + Product_{n>=2} A(x^n) with A(0) = 1.at n=52A385635