A123939 - OEIS

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A123939

Ramsey number r(K_{2,2}, K_{3,n}).

1

8, 11, 11, 14, 15, 16, 17, 20, 22

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OFFSET

2,1

LINKS

Table of n, a(n) for n=2..10.

R. Lortz, A note on the Ramsey number of K_{2,2} versus K_{3,n}, Discrete Math., 306 (2006), 2976-2982.

CROSSREFS

Sequence in context: A156925 A347313 A077060 * A134787 A249104 A191887

Adjacent sequences: A123936 A123937 A123938 * A123940 A123941 A123942

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 30 2006

STATUS

approved