56428

Appears in sequences

• Number of unlabeled minimally 2-connected graphs with n nodes (also called "blocks").at n=13A003317
• Number of connected functions on n points with a single labeled point.at n=11A038002
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) > d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=9A299639