A051167 Sum of two positive cubes in at least five ways (all solutions).

48988659276962496, 391909274215699968, 490593422681271000, 1322693800477987392, 3135274193725599744, 3924747381450168000, 6123582409620312000, 6355491080314102272, 10581550403823899136

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• hard

Links

• Ray Chandler, Table of n, a(n) for n = 1..194
• D. J. Bernstein, Enumerating solutions to p(a) + q(b) = r(c) + s(d)
• 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]
• D. W. Wilson, The Fifth Taxicab Number is 48988659276962496, J. Integer Sequences, Vol. 2, 1999, #99.1.9.

Crossrefs

Cf. A023051, A025296, A155057, A343967.

Extensions

Extended by Ray Chandler, Jan 19 2009