The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #3 Mar 30 2012 17:36:39
%S 3,6,9,10,11,12,13,14,16,17,18,19,20,21,22,24,25,26,27,28,29,30,32,33,
%T 34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,
%U 57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79
%N Sum of three perfect powers.
%C It appears that every number >= 10 (and 4 and 7) is a sum of 4 perfect powers.
%Y Cf. A070049 (sum of two perfect powers), A001597 (perfect powers).
%K easy,nonn
%O 1,1
%A _Rick L. Shepherd_, Aug 24 2002