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A002886 Van der Waerden numbers W(2;2,n-1).
(Formerly M1572 N0614)
1
2, 6, 9, 18, 22, 32, 46, 58, 77, 97, 114, 135, 160, 186, 218 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

An incorrect version of A007783.

REFERENCES

V. Chvatal, Some unknown Van der Waerden numbers, pp. 31-33 of R. K. Guy et al., editors, Combinatorial Structures and Their Applications (Proceedings Calgary Conference Jun 1969}), Gordon and Breach, NY, 1970.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..14.

M. D. Beeler and P. E. O'Neil, Some new Van der Waerden numbers, Discrete Math., 28 (1979), 135-146.

CROSSREFS

Cf. A007783.

Sequence in context: A072481 A032471 A156222 * A028724 A222048 A156190

Adjacent sequences:  A002883 A002884 A002885 * A002887 A002888 A002889

KEYWORD

dead

STATUS

approved

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Last modified November 21 22:16 EST 2019. Contains 329383 sequences. (Running on oeis4.)