OFFSET
1,2
COMMENTS
No terms are congruent to 5 or 7 (mod 8): subsequence of A047420.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..2500
EXAMPLE
17 is in this sequence because 3^2+2^3=17.
91 is in this sequence because 3^3+4^3=91.
MATHEMATICA
nn=15; Union[Select[Flatten[Table[3^x + y^3, {x, 0, nn}, {y, 0, nn}]], #<=nn^3 &]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Nov 25 2014
STATUS
approved