OFFSET
1,3
LINKS
Alexander Stoimenow, On the number of chord diagrams, Discr. Math. 218 (2000), 209-233.
FORMULA
MATHEMATICA
Stoimenow states that a Mma package is available from his website. - N. J. A. Sloane, Jul 26 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexander Stoimenow (stoimeno(AT)mail.informatik.hu-berlin.de)
EXTENSIONS
More terms from Sean A. Irvine, Feb 05 2019
STATUS
approved