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A171081 Van der Waerden numbers w(2;3,n). 4
9, 18, 22, 32, 46, 58, 77, 97, 114, 135, 160, 186, 218, 238, 279, 312, 349 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

COMMENTS

19th value given by Ahmed as 349. - Jonathan Vos Post, Mar 01 2011

LINKS

Table of n, a(n) for n=3..19.

Tanbir Ahmed, Oliver Kullmann, Hunter Snevily, On the van der Waerden numbers w(2;3,t), Feb 26, 2011.

CROSSREFS

Cf. A005346, A171082, A217235.

Sequence in context: A222623 A141469 A046412 * A232056 A109661 A015798

Adjacent sequences:  A171078 A171079 A171080 * A171082 A171083 A171084

KEYWORD

nonn,hard,more

AUTHOR

N. J. A. Sloane, based on an email from Tanbir Ahmed, Sep 07 2010

EXTENSIONS

a(19) by Jonathan Vos Post, Mar 01 2011

STATUS

approved

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Last modified September 25 18:20 EDT 2017. Contains 292499 sequences.