2267136

Appears in sequences

• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.at n=2A256727
• Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.at n=2A256730
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three.at n=12A256735
• a(n) is the permanent of the matrix [((i + j)/(2*n + 1))]_{i,j=0..n}, where (k/m) denotes the Jacobi symbol.at n=15A322898
• G.f. A(x) satisfies A(x) = ( 1 + 16*x*A(x)*(1 + x*A(x)) )^(1/4).at n=9A372005