A279207 Number of analytic chord diagrams with n chords.

1, 2, 5, 18, 102, 817, 7641

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Étienne Ghys, A Singular Mathematical Promenade, arXiv:1612.06373 [math.AG], 2016. See p. 252.

Crossrefs

Cf. A007769, A054499, A279208.

Sequence in context: A075634 A322396 A007127 * A005639 A093730 A366449

Adjacent sequences: A279204 A279205 A279206 * A279208 A279209 A279210

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 23 2016

Status

approved