OFFSET
1,2
COMMENTS
9*n are terms in A024670.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10224
EXAMPLE
9*n=a^3+b^3, {n,a,b}={{1,1,2},{8,2,4},{14,1,5},{21,4,5}...}.
MATHEMATICA
Union[#/9&/@Select[Total/@(Subsets[Range[20], {2}]^3), Divisible[ #, 9]&]] (* Harvey P. Dale, Jun 10 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, May 31 2011
EXTENSIONS
Corrected by Harvey P. Dale, Jun 10 2011
STATUS
approved