A348820 a(n) = number of loopless diagrams by number of K_5 up to all symmetries.

0, 1, 42, 112418, 1105696796, 24178822553773, 1029696155560021174, 77938101941693076258854

Offset

1,3

Links

Table of n, a(n) for n=1..8.

Evgeniy Krasko, Igor Labutin, and Alexander Omelchenko, Enumeration of Labelled and Unlabelled Hamiltonian Cycles in Complete k-partite Graphs, arXiv:1709.03218 [math.CO], 2017. See Appendix Table 4.

Crossrefs

Cf. A190833, A348818, A348819; A003437, A292409, A348817, A348823.

Sequence in context: A135314 A135425 A028669 * A147687 A364220 A152508

Adjacent sequences: A348817 A348818 A348819 * A348821 A348822 A348823

Keyword

nonn,more

Author

Michael De Vlieger, Nov 01 2021

Status

approved