|
| |
|
|
A151537
|
|
Number of 1-sided polyedges with n edges.
|
|
3
|
|
|
|
1, 2, 7, 25, 99, 416, 1854, 8411, 38980, 182829, 867096, 4145168, 19955321, 96619260, 470157772
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Ishino Keiichiro, Polyedge, Puzzle will be played, 2009.
Eric Weisstein's World of Mathematics, Polyedge
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,hard,more
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
|
|
|
STATUS
|
approved
|
| |
|
|
