OFFSET
1,2
COMMENTS
REFERENCES
For references, see A059106.
LINKS
Ali Assarpour, Amotz Bar-Noy, Ou Liuo, Counting the Number of Langford Skolem Pairings, arXiv:1507.00315 [cs.DM], 2015.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Feb 22 2016
STATUS
approved