OFFSET
2,3
COMMENTS
Terms may be computed using the tools geng, vcolg and multig in nauty with some additional processing to check the degrees of nodes.
LINKS
Brendan McKay and Adolfo Piperno, nauty and Traces
EXAMPLE
Triangle begins:
1;
1, 2;
1, 4;
1, 7, 5;
1, 10, 20, 5;
1, 14, 48, 36;
1, 18, 99, 153, 30;
1, 23, 181, 481, 277, 17;
1, 28, 303, 1239, 1451, 323;
1, 34, 479, 2811, 5572, 2946, 193;
1, 40, 726, 5805, 17607, 17343, 3806, 71;
1, 47, 1055, 11148, 48401, 77708, 36872, 3188;
1, 54, 1492, 20219, 120018, 288476, 243007, 54386, 1496;
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Andrew Howroyd, Feb 24 2023
STATUS
approved