A348797 Numbers of 3-regular one-face unsensed maps on non-orientable surfaces.

2, 11, 144, 3627, 149288, 8170800, 545671762, 43063046307, 3906934079662, 401264673924438, 45988979036528440, 5821010056777072838, 806331341176441101980, 121343111865634574938768, 19712546794881999409462482, 3438378417666873290074260643, 640914537597785062325259175158, 127143593044349500804170430994988, 26745717365173718867249062116990380

Offset

2,1

Comments

In the paper p. 18, Table 3, this sequence is designated "taubar^(3)_(-)(g)".

Links

Table of n, a(n) for n=2..20.

Evgeniy Krasko, Igor Labutin, and Alexander Omelchenko, Enumeration of 3-regular one-face maps on orientable or non-orientable surface up to all symmetries, arXiv:1901.06591 [math.CO], 2019.

Crossrefs

Cf. A068182, A348794, A348795, A348796.

Sequence in context: A377894 A193209 A268743 * A204243 A203203 A046912

Adjacent sequences: A348794 A348795 A348796 * A348798 A348799 A348800

Keyword

nonn

Author

Michael De Vlieger, Oct 31 2021

Status

approved