

A003826


Numbers that are the sum of two cubes in at least four ways (primitive solutions).


6



6963472309248, 12625136269928, 21131226514944, 26059452841000, 74213505639000, 95773976104625, 159380205560856, 174396242861568, 300656502205416, 376890885439488, 521932420691227, 573880096718136
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


REFERENCES

R. K. Guy, Unsolved Problems in Number Theory, D1.


LINKS

Uwe Hollerbach, Table of n, a(n) for n=1..664
Uwe Hollerbach, Taxi, Taxi!
E. Rosenstiel et al., The Four Least Solutions ... , Instit.of Mathem. and Its Applic. Bull. Jul 27 (pp. 155157) 1991,
Eric Weisstein's World of Mathematics, Cubic Number
Eric Weisstein's World of Mathematics, Diophantine Equation3rd Powers
D. W. Wilson, The Fifth Taxicab Number is 48988659276962496, J. Integer Sequences, Vol. 2, 1999, #99.1.9.


CROSSREFS

Cf. A011541, A023050, A023051, A001235.
Sequence in context: A094910 A210588 A023051 * A127344 A186179 A058124
Adjacent sequences: A003823 A003824 A003825 * A003827 A003828 A003829


KEYWORD

nonn


AUTHOR

N. J. A. Sloane


EXTENSIONS

More terms from David W. Wilson, Oct 15 1997
bfile extended by Ray Chandler, Jan 19 2009


STATUS

approved



