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A278375
Edge-distinguishing chromatic number of ladder graph with 2n vertices.
1
1, 3, 4, 5, 5, 6, 7, 7, 7, 8, 8, 8, 9, 9
OFFSET
1,2
REFERENCES
O. Frank, F. Harary, and M. J. Plantholt, The line-distinguishing chromatic number of a graph, pp. 14, 241-252 of Ars Combinatoria (1982).
LINKS
K. Al-Wahabi, R. Bari, F. Harary and D. Ullman, The edge-distinguishing chromatic number of paths and cycles, pp. 17-22 of Graph Theory in Memory of G. A. Dirac (Sandbjerg, 1985). Edited by L. D. Andersen et al., Annals of Discrete Mathematics, 41. North-Holland Publishing Co., Amsterdam-New York, 1989.
CROSSREFS
Sequence in context: A240676 A037038 A348133 * A106501 A374261 A065305
KEYWORD
nonn,more
AUTHOR
Nathaniel Benjamin, Nov 19 2016
STATUS
approved