36834
domain: N
Appears in sequences
- Number of tree-rooted toroidal maps with 2 faces and n vertices and without isthmuses.at n=4A006436
- Series for second parallel moment of hexagonal lattice.at n=6A006737
- a(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A027170.at n=13A027179
- Number of permutations of [n] realized by the shift on 3 letters.at n=7A192088