%I #7 May 19 2013 12:18:42
%S 1,2,3,4,5,6,8,9,10,11,12,13,14,15,16,17,18,20,21,22,23,24,25,27,28,
%T 29,30,31,32,33,34,35,36,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,
%U 53,54,55,57,58,59,60,62,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79
%N Numbers that are not the difference between two positive cubes.
%Y Cf. Complement of A181123.
%K nonn
%O 1,2
%A _Jeff Burch_