A217235 Van der Waerden numbers w(3; 3, 3, n).

27, 51, 80, 107

Offset: 3

Author

Tanbir Ahmed, Sep 28 2012

Keywords

• nonn
• more
• hard

Examples

			w(3; 3, 3, 3)=27, w(3; 3, 3, 4) = 51, and so on...
		

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.

Crossrefs

Cf. A171081, A171082, A217037.