A380236 Number of non-orientable genus n maps with n edges.

1, 2, 8, 47, 473, 7190, 144904, 3534490, 100895667, 3276228298, 119465644032, 4827606232542, 214282994249825, 10361526316840074

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Crossrefs

Main diagonal of A380235.

Sequence in context: A329096 A233337 A199136 * A181413 A358822 A003275

Adjacent sequences: A380233 A380234 A380235 * A380237 A380238 A380239

Keyword

nonn,more

Author

Andrew Howroyd, Jan 17 2025

Status

approved