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A217037 Van der Waerden numbers w(2;5,n). 1
178, 206, 260 (list; graph; refs; listen; history; text; internal format)
OFFSET
5,1
COMMENTS
w(2;5,5)=178 (Stevens and Shantaram, 1978),w(2;5,6)=206 (Kouril, 2006), and w(2;5,7)=260 (Ahmed).
REFERENCES
M. Kouril, A Backtracking Framework for Beowulf Clusters with an Extension to Multi-Cluster Computation and Sat Benchmark Problem Implementation, Ph. D. Thesis, University of Cincinnati, Engineering: Computer Science and Engineering, 2006.
LINKS
T. Ahmed, Some more Van der Waerden numbers, J. Int. Seq. 16 (2013) 13.4.4
R. Stevens and R. Shantaram, Computer-generated van der Waerden partitions, Math. Computation, 32 (1978), 635-636.
EXAMPLE
w(2;5,5)=178.
CROSSREFS
Sequence in context: A053018 A046436 A114081 * A224600 A279093 A297400
KEYWORD
nonn,bref,hard,more
AUTHOR
Tanbir Ahmed, Sep 24 2012
STATUS
approved

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Last modified May 29 03:17 EDT 2024. Contains 372921 sequences. (Running on oeis4.)