3502080

Appears in sequences

• Number of (n+2)X(1+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.at n=6A256764
• Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.at n=0A256770
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.at n=21A256771
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum.at n=27A256771
• a(n) = product of nonzero entries in row n of A235791.at n=39A339577
• G.f. satisfies A(x) = 1 + 2*x + 2*x^2*A(x)^2.at n=15A367071