71876

Appears in sequences

• a(n) = (2*n-1)*(13*n^2-13*n+6)/6.at n=25A063493
• Number of nX3 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order.at n=11A240514
• Number of simple connected graphs with n nodes that are planar and not integral.at n=8A243325
• Numbers k such that the decimal representation of k ends that of the sum of the first k cubes.at n=20A301912
• a(n) = Sum_{k=0..n} binomial(2*n+2,k) * binomial(2*n-k-1,n-k).at n=6A386835