A251533 Clique covering number of obtuse knights graph N_n.

1, 3, 6, 7, 7, 9, 15, 18, 21, 21, 27, 31, 37, 42, 44, 49, 56, 63, 70

Offset

1,2

Links

Table of n, a(n) for n=1..19.

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

Adjacent sequences: A251530 A251531 A251532 * A251534 A251535 A251536

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 04 2014

Status

approved