A126740 Number of connected graphs on n nodes with chromatic number 6.
0, 0, 0, 0, 0, 1, 5, 74, 1940, 113272, 14545025
Offset: 1
Keywords
Links
- Keith M. Briggs, Combinatorial Graph Theory
Crossrefs
A diagonal of triangle in A126736.
Extensions
a(11) from Michael Sollami, Jan 29 2012