|
| |
|
|
A049367
|
|
Number of triangle-free planar graphs with n nodes.
|
|
0
|
|
|
|
1, 2, 3, 7, 14, 37, 102, 367, 1532, 8091, 50775, 372417, 3045985, 26989204, 252934543
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 9766535.
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn,nice,hard,more
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
a(12)-a(15) added using tinygraph by Falk Hüffner, May 09 2019
|
|
|
STATUS
|
approved
|
| |
|
|
