OFFSET
0,2
LINKS
Andrei Asinowski, Axel Bacher, Cyril Banderier, Bernhard Gittenberger, Analytic combinatorics of lattice paths with forbidden patterns, the vectorial kernel method, and generating functions for pushdown automata, Laboratoire d'Informatique de Paris Nord (LIPN 2019).
CROSSREFS
KEYWORD
hard,fini,nonn
AUTHOR
Johan Boye (jb(AT)sectra.se)
EXTENSIONS
I am not sure of the precise rules that were used to compute these numbers. A048987 is the preferred version of this sequence. - N. J. A. Sloane.
STATUS
approved