This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A217237 Van der Waerden numbers w(j+2; t_0,t_1,...,t_{j-1}, 4, 6) with t_0 = t_1 = ... = t_{j-1} = 2. 7
 73, 83, 93, 101 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS T. Ahmed, Some new van der Waerden numbers and some van der Waerden-type numbers, Integers, 9 (2009), A06, 65-76. M. D. Beeler and P. E. O'Neil, Some new Van der Waerden numbers, Discrete Math., 28 (1979), 135-146. Michal Kouril, Computing the van der Waerden number W(3,4)=293, INTEGERS 12 (2012), A46. B. Landman, A. Robertson, and C. Culver, Some new exact van der Waerden numbers, Integers, 5(2) (2005), A10. EXAMPLE w(2;4,6)=73, w(3;2,4,6)=83, and so on... CROSSREFS Cf. A217005, A217007, A217008, A217058, A217059, A217060, A217236. Sequence in context: A180558 A260555 A064667 * A075588 A039483 A104998 Adjacent sequences:  A217234 A217235 A217236 * A217238 A217239 A217240 KEYWORD nonn,more,hard AUTHOR Tanbir Ahmed, Sep 28 2012 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 20 12:47 EDT 2019. Contains 328257 sequences. (Running on oeis4.)