56618

Appears in sequences

• Number of n-digit 7-smooth numbers (A002473).at n=30A085630
• Semiprimes sp such that sp plus its digit sum is a perfect square.at n=38A244733
• Number of (n+2) X (3+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=5A254902
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=33A254907
• Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=2A254912
• Expansion of Product_{k>=1} (1 + x^k)^(sigma_4(k)).at n=7A301548