90555

Appears in sequences

• Numbers k such that k and k^2 use only the digits 0, 2, 5, 8 and 9.at n=27A136919
• Irregular triangle E(n,g) counting not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly g.at n=29A185130
• Number of not necessarily connected 3-regular simple graphs on 2n vertices with girth exactly 5.at n=11A185135
• Number of series-reduced locally disjoint rooted trees with n unlabeled leaves.at n=15A316697