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 A217007 Van der Waerden numbers w(j+2; t_0,t_1,...,t_{j-1}, 4, 4) with t_0 = t_1 = ... = t_{j-1} = 2. 7
 35, 40, 53, 54, 56, 66, 67 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 REFERENCES T. C. Brown, Some new van der Waerden numbers (preliminary report), Notices American Math. Society, 21 (1974), A-432. 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 T. Ahmed, Some new van der Waerden numbers and some van der Waerden-type numbers, Integers, 9 (2009), A06, 65-76. T. Ahmed, Some more Van der Waerden numbers, J. Int. Seq. 16 (2013) 13.4.4 EXAMPLE w(2;4,4)=35, w(3;2,4,4)=40, w(4:2,2,4,4)=53, and so on... CROSSREFS Cf. A217005, A217008, A217058, A217059, A217060, A217236, A217237. Sequence in context: A249429 A249423 A219799 * A141741 A122755 A298156 Adjacent sequences:  A217004 A217005 A217006 * A217008 A217009 A217010 KEYWORD nonn,more,hard AUTHOR Tanbir Ahmed, Sep 23 2012 STATUS approved

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Last modified May 27 00:38 EDT 2018. Contains 304689 sequences. (Running on oeis4.)