OFFSET
3,1
REFERENCES
V. Chvatal, Some unknown van der Waerden numbers, Combinatorial Structures and their Applications (R. Guy et al., eds.), Gordon and Breach, New York, 1970.
LINKS
Tanbir Ahmed, On computation of exact van der Waerden numbers, Integers: Electronic Journal of Combinatorial Number Theory, 11 (2011), A71.
M. D. Beeler and P. E. O'Neil, Some new Van der Waerden numbers, Discrete Math., 28 (1979), 135-146.
B. Landman, A. Robertson, and C. Culver, Some new exact van der Waerden numbers, Integers, 5(2) (2005), A10.
EXAMPLE
w(3; 3, 3, 3)=27, w(3; 3, 3, 4) = 51, and so on...
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Tanbir Ahmed, Sep 28 2012
STATUS
approved