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%I #13 Nov 09 2015 07:37:02
%S 27,51,80,107
%N Van der Waerden numbers w(3; 3, 3, n).
%D V. Chvatal, Some unknown van der Waerden numbers, Combinatorial Structures and their Applications (R. Guy et al., eds.), Gordon and Breach, New York, 1970.
%H Tanbir Ahmed, <a href="http://www.emis.de/journals/INTEGERS/papers/l71/l71.Abstract.html">On computation of exact van der Waerden numbers</a>, Integers: Electronic Journal of Combinatorial Number Theory, 11 (2011), A71.
%H M. D. Beeler and P. E. O'Neil, <a href="http://dx.doi.org/10.1016/0012-365X(79)90090-6">Some new Van der Waerden numbers</a>, Discrete Math., 28 (1979), 135-146.
%H B. Landman, A. Robertson, and C. Culver, <a href="http://www.emis.de/journals/INTEGERS/papers/a10int2003/a10int2003.Abstract.html">Some new exact van der Waerden numbers</a>, Integers, 5(2) (2005), A10.
%e w(3; 3, 3, 3)=27, w(3; 3, 3, 4) = 51, and so on...
%Y Cf. A171081, A171082, A217037.
%K nonn,more,hard
%O 3,1
%A _Tanbir Ahmed_, Sep 28 2012
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