OFFSET
1,1
LINKS
T. D. Noe, Table of n, a(n) for n=1..1000
MATHEMATICA
Select[Range[300], (pr = PowersRepresentations[#, 4, 3]; pr != {} && Count[pr, r_/; (Times @@ r) == 0] == 0)&] (* Jean-François Alcover, Jul 26 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Arlin Anderson (starship1(AT)gmail.com)
STATUS
approved