Number of 3-regular maps with 2n vertices on the torus, up to orientation-preserving isomorphisms.
A292408
Number of 3-regular maps with 2n vertices on the torus, up to orientation-preserving isomorphisms.
Terms
- a(0) =1a(1) =5a(2) =46a(3) =669a(4) =11096a(5) =196888a(6) =3596104a(7) =66867564a(8) =1258801076a(9) =23925376862a(10) =458284630844
External references
- oeis: A292408