OFFSET
1,2
COMMENTS
See Coscia-DeWitt (2016) for precise definition.
LINKS
Christopher Coscia, Jonathan DeWitt, Locally Convex Words and Permutations, Electronic Journal of Combinatorics. 23 (2), 2016, #P2.10. Eq. 4.5 gives a g.f.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 15 2016
EXTENSIONS
More terms added by Christopher Coscia, May 30 2017
STATUS
approved