31692

Appears in sequences

• Number of T_0-covers of a labeled n-set.at n=4A059201
• Number of subsets of {1..n} (including empty set) such that the pairwise GCDs of elements are not distinct.at n=29A196720
• Number of (n+2)X(4+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=7A254903