OFFSET
0,11
COMMENTS
A bridge is an edge that, if removed without removing any incident vertices, disconnects the graph. Unlabeled connected graphs with no bridges are counted by A007146 (unlabeled graphs with spanning edge-connectivity >= 2).
LINKS
EXAMPLE
Triangle begins:
1
1 0
0 1 0
1 0 1 0
3 1 0 2 0
11 4 3 0 3 0
60 25 14 7 0 6 0
502 197 91 34 18 0 11 0
7403 2454 826 267 100 44 0 23 0
...
CROSSREFS
KEYWORD
AUTHOR
Gus Wiseman, Aug 26 2019
EXTENSIONS
a(21)-a(54) from Andrew Howroyd, Aug 28 2019
STATUS
approved