OFFSET
0,2
COMMENTS
See Dershowitz (2017) for precise definition.
LINKS
Nachum Dershowitz, Touchard's Drunkard, Journal of Integer Sequences, Vol. 20 (2017), #17.1.5.
CROSSREFS
KEYWORD
nonn,walk,more
AUTHOR
N. J. A. Sloane, Apr 09 2018
STATUS
approved