|
|
A038393
|
|
Number of 4n-step self-avoiding closed paths on first quadrant grid, passing through origin, symmetric about line y = x.
|
|
0
|
|
|
1, 1, 2, 6, 20, 78, 342, 1608, 7966, 41054, 218342, 1191038, 6635164, 37621952, 216557220, 1262829914, 7447921572
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|