OFFSET
2,3
COMMENTS
The number of terms in each row (the maximal diameter) begins 1,2,3,5,6,8,... . I don't know how this sequence continues.
The maximal diameter is now provided in A294732, taken from Gordon Royle's Cubic Graphs page. - Hugo Pfoertner, Dec 13 2017
LINKS
Hugo Pfoertner, Table (flattened) of n, a(n) for n = 2..104 (rows 2..13).
F. C. Bussemaker, S. Cobeljic, L. M. Cvetkovic and J. J. Seidel, Computer investigations of cubic graphs, T.H.-Report 76-WSK-01, Technological University Eindhoven, Dept. Mathematics, 1976.
M. Meringer, GenReg, Generation of regular graphs.
Gordon Royle, Cubic Graphs, October 1996.
EXAMPLE
Triangle begins:
1
0 2
0 2 3
0 1 15 2 1
0 0 34 43 6 2
0 0 34 351 93 24 6 1
0 0 14 2167 1499 261 101 14 4
0 0 1 12301 22992 4400 1229 310 55 12 1
0 0 1 57628 338356 90870 17281 5145 948 220 36 4
0 0 0 185836 4692045 2013271 321788 84159 17894 3516 799 118 20 1
0 0 0 341797 62398297 45891477 7325370 1558408 344829 63072 14082 2665 466 66 6
0 0 0 298821 805690750 1059325766 187592813 32867106 7116021 1271737 253582 52710 9503 1779 245 30 1
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Jan 14 2012
EXTENSIONS
Extended using data from Gordon Royle's Cubic Graphs page by Hugo Pfoertner, Dec 13 2017
STATUS
approved