376464

Appears in sequences

• a(n) = C(3+n, n) + C(4+n, n) + C(5+n, n) + C(6+n, n).at n=21A062966
• Number of unlabeled rooted trees with at most n nodes.at n=15A087803
• G.f. is the polynomial (Product_{k=1..32} (1 - x^(3*k)))/(1-x)^32.at n=5A162739
• Wiener index of the graph of nodes (i,j) of the square lattice such that abs(i) + abs(j) <= n.at n=11A302298
• 8-Sondow numbers: numbers k such that p^s divides k/p + 8 for every prime power divisor p^s of k.at n=6A346556