OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..360
Alois P. Heinz, Animation of a(5)=116 walks
Wikipedia, Lattice path
Wikipedia, Self-avoiding walk
FORMULA
a(n) = A284414(n,2n).
CROSSREFS
KEYWORD
nonn,walk
AUTHOR
Alois P. Heinz, Mar 26 2017
STATUS
approved