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A190794
Number of two-sided n-step prudent walks ending at the northeast corner of their boxes, avoiding two consecutive west steps and south steps.
0
1, 2, 4, 10, 24, 56, 130, 306, 726, 1726, 4106, 9784, 9784, 23356, 55826, 133550, 319716, 765906, 1835856
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..19.
S. Gao and H. Niederhausen, Sequences Arising From Prudent Self-Avoiding Walks, 2010.
CROSSREFS
Sequence in context: A002525 A159328 A190587 * A052912 A024740 A025275
Adjacent sequences: A190791 A190792 A190793 * A190795 A190796 A190797
KEYWORD
nonn,walk,more
AUTHOR
Shanzhen Gao, May 20 2011
STATUS
approved

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Last modified September 28 09:05 EDT 2024. Contains 376288 sequences.
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