Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 May 13 2018 08:58:22
%S 22,55,178,206,260
%N Van der Waerden numbers W(5,n).
%D Knuth, Donald E., Satisfiability, Fascicle 6, volume 4 of The Art of Computer Programming. Addison-Wesley, 2015, page 5.
%Y Cf. A171181, A007784, A303583.
%K nonn,more
%O 3,1
%A _N. J. A. Sloane_, May 13 2018