130338
domain: N
Appears in sequences
- Number of sensed nonseparable (2-connected) planar maps with n edges and a distinguished face of size 2.at n=10A046650
- Triangle of rooted planar maps up to orientation-preserving isomorphisms.at n=65A046653
- An accelerator sequence for Catalan's constant.at n=20A094648
- Trace sequence of a path graph plus loop.at n=20A096975
- Quadruples a>b>c>d>0 such that six pairwise sums and the total sum are all squares.at n=29A175535
- One half of total number of round trips, each of length 2n, on the graph P_6 (o-o-o-o-o-o).at n=10A198636
- Sum of 4th powers of proper divisors of n.at n=37A279363