OFFSET
1,1
REFERENCES
J. Leech, Some solutions of Diophantine equations, Proc. Camb. Phil. Soc., 53 (1957), 778-780.
R. K. Guy, Unsolved Problems in Number Theory, D1.
LINKS
Ray Chandler, Table of n, a(n) for n=1..100000
Uwe Hollerbach, Taxi, Taxi! [Original link, broken]
Uwe Hollerbach, Taxi, Taxi! [Replacement link to Wayback Machine]
Uwe Hollerbach, Taxi! Taxi! [Cached copy from Wayback Machine, html version of top page only]
MATHEMATICA
a=Sort[Flatten@Table[n^3+m^3, {m, 2000}, {n, m-1, 1, -1}]]; f3[l_]:=Module[{t={}}, Do[If[l[[n]]==l[[n+2]], AppendTo[t, l[[n]]]], {n, 1, Length[l]-2}]; t]; f3[a] (* Vladimir Joseph Stephan Orlovsky, Jan 21 2012 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
David W. Wilson, Aug 15 1996
STATUS
approved