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A251533
Clique covering number of obtuse knights graph N_n.
0
1, 3, 6, 7, 7, 9, 15, 18, 21, 21, 27, 31, 37, 42, 44, 49, 56, 63, 70
OFFSET
1,2
LINKS
Stan Wagon, Graph Theory Problems from Hexagonal and Traditional Chess, The College Mathematics Journal, Vol. 45, No. 4, September 2014, pp. 278-287
CROSSREFS
Sequence in context: A336086 A152083 A251532 * A295849 A003458 A133339
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 04 2014
STATUS
approved