This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A217008 #29 Nov 30 2017 16:19:43
%S A217008 27,40,41,42,45,49,52
%N A217008 Van der Waerden numbers w(j+3; t_0,t_1,...,t_{j-1}, 3, 3, 3) with t_0 = t_1 = ... = t_{j-1} = 2.
%D A217008 T. C. Brown, Some new van der Waerden numbers (preliminary report), Notices American Math. Society, 21 (1974), A-432.
%D A217008 V. Chvatal, Some unknown van der Waerden numbers, Combinatorial Structures and their Applications (R. Guy et al., eds.), Gordon and Breach, New York, 1970.
%H A217008 T. Ahmed, <a href="http://www.emis.de/journals/INTEGERS/papers/j6/j6.Abstract.html">Some new van der Waerden numbers and some van der Waerden-type numbers</a>, Integers, 9 (2009), A06, 65-76.
%H A217008 T. Ahmed, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL16/Ahmed/ahmed2.html">Some more Van der Waerden numbers</a>, J. Int. Seq. 16 (2013) 13.4.4
%H A217008 B. Landman, A. Robertson, and C. Culver, <a href="http://www.emis.de/journals/INTEGERS/papers/a10int2003/a10int2003.Abstract.html">Some new exact van der Waerden numbers</a>, Integers, 5(2) (2005), A10.
%e A217008 w(3;3,3,3)=27, w(4;2,3,3,3)=40, w(5;2,2,3,3,3)=41, and so on...
%Y A217008 Cf. A217005, A217007, A217058, A217059, A217060, A217236, A217237.
%K A217008 nonn,more,hard
%O A217008 0,1
%A A217008 _Tanbir Ahmed_, Sep 23 2012
%E A217008 a(6)=52 added by _Tanbir Ahmed_, Dec 07 2012