login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A171082 Van der Waerden numbers w(2;4,n). 3
35, 55, 73, 109, 146, 309 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

Table of n, a(n) for n=4..9.

Tanbir Ahmed, Van der Waerden numbers

Tanbir Ahmed, On computation of exact van der Waerden numbers, Integers: Electronic Journal of Combinatorial Number Theory, 11 (2011), A71.

CROSSREFS

Cf. A005346, A171081, A217235.

Sequence in context: A043135 A039312 A043915 * A121707 A267999 A157352

Adjacent sequences:  A171079 A171080 A171081 * A171083 A171084 A171085

KEYWORD

nonn,hard,more

AUTHOR

N. J. A. Sloane, based on an email from Tanbir Ahmed, Sep 07 2010 and Feb 22 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

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