A123938 Ramsey number r(K_{2,2}, K_{2,n}).

4, 6, 8, 9, 11, 12, 14, 15, 16, 17, 18, 20, 22

Offset

1,1

Links

Table of n, a(n) for n=1..13.

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

Crossrefs

Cf. A123939.

Sequence in context: A205530 A100373 A211302 * A121150 A049579 A137242

Adjacent sequences: A123935 A123936 A123937 * A123939 A123940 A123941

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 30 2006

Status

approved