A292111 Reflective-symmetric maximal chord diagrams by genus, type II.

1, 3, 25, 287, 4581, 90519, 2162901, 60249195, 1921751145, 68980179915, 2753007869745, 120897239789655

Offset

1,2

Links

Table of n, a(n) for n=1..12.

Evgeniy Krasko, Counting Unlabelled Chord Diagrams of Maximal Genus, arXiv:1709.00796 [math.CO], 2017. See Table 1, column 3.

Crossrefs

The other three sequences in Table 1 are A291172, A275787, A291371.

Sequence in context: A229162 A363354 A347255 * A123989 A001907 A212722

Adjacent sequences: A292108 A292109 A292110 * A292112 A292113 A292114

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 20 2017

Extensions

Name clarified by Evgeniy Krasko, Sep 30 2017

Status

approved