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A277686
The number of nonisomorphic graphs on n vertices whose chromatic symmetric function in the p basis has a nonzero coefficient for each possible term.
2
1, 1, 2, 5, 20, 91, 823
OFFSET
1,3
COMMENTS
All graphs with a Hamiltonian path are included in this count. The smallest n for which a graph with n vertices satisfies this property and does not have a Hamiltonian path is n=5.
CROSSREFS
Cf. A277686.
Sequence in context: A002484 A280102 A366452 * A115082 A020105 A347071
KEYWORD
nonn,more
AUTHOR
Caleb Ji, Sam Heil, Oct 26 2016
STATUS
approved