OFFSET

1,1

COMMENTS

All terms in this sequence divisible by 3 are also divisible by 9.

MATHEMATICA

Rest[Select[Union[Abs[#[[1]]^3 - #[[2]]^3]&/@Tuples[Range[50], {2}]], Divisible[#, 6] && Divisible[#, 18]&]] (* Harvey P. Dale, Dec 05 2010 *)

CROSSREFS

KEYWORD

nonn

AUTHOR

EXTENSIONS

Extended by Ray Chandler, Nov 30 2008

STATUS

approved