179250domain: NAppears in sequencesa(n) = 2^n + 3^n + 5*n.at n=11A120845Least integer k>1 such that sqrt(k)/log(k) exceeds n.at n=34A262058Triangle read by rows: T(n,k) is the number of digraphs on n labeled nodes with k arcs and a global source and sink, n >= 1, k = 0..max(1,n-1)*(n-2)+1.at n=46A350791