304362

Appears in sequences

• a(n) = n*(n-1)*(n^2 + 2)/6.at n=37A071244
• The number of ways to color the vertices of all (11) simple unlabeled graphs on 4 nodes using at most n colors.at n=17A199394
• Least k such that at least half of the last n digits of 2^k are 9.at n=18A280660