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A217059
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Van der Waerden numbers w(j+2; t_0,t_1,...,t_{j-1}, 3, 5) with t_0 = t_1 = ... = t_{j-1} = 2.
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7
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OFFSET
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0,1
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REFERENCES
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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.
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LINKS
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EXAMPLE
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w(2;3,5)=22, w(3;2,3,5)=32, w(4;2,2,3,5)=43, and so on...
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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