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A284875
Values of m for which the complete bipartite graph K_{m,m} has a unique minimal coprime labeling.
4
1, 2, 5, 9, 11, 12, 19, 21, 24, 47, 105, 109, 117, 118, 131, 132, 137, 144, 145, 146, 188, 189, 190, 191, 192, 194, 195, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 287, 288, 289, 290, 291, 310, 311, 312, 314, 315, 316, 317, 333, 341, 342, 343, 365
OFFSET
1,2
COMMENTS
For definitions and examples, see A213273, A213806, and Berliner, Dean, Hook, Marr, Mbirika (2016) section 3.1.
LINKS
Adam H. Berliner, N. Dean, J. Hook, A. Marr, A. Mbirika, Coprime and prime labelings of graphs, arXiv:1604.07698 [math.CO], 2016.
Eric Weisstein's World of Mathematics, Complete Bipartite Graph.
FORMULA
A213806(a(n)) = 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jonathan Sondow, May 14 2017
EXTENSIONS
a(9) onwards from Kevin Cuadrado, Dec 01 2020
STATUS
approved