cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A003826 Numbers that are the sum of two cubes in at least four ways (primitive solutions).

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%I A003826 #36 Feb 16 2025 08:32:27
%S A003826 6963472309248,12625136269928,21131226514944,26059452841000,
%T A003826 74213505639000,95773976104625,159380205560856,174396242861568,
%U A003826 300656502205416,376890885439488,521932420691227,573880096718136
%N A003826 Numbers that are the sum of two cubes in at least four ways (primitive solutions).
%D A003826 R. K. Guy, Unsolved Problems in Number Theory, D1.
%H A003826 Uwe Hollerbach, <a href="/A003826/b003826.txt">Table of n, a(n) for n = 1..664</a>
%H A003826 Uwe Hollerbach, <a href="http://www.korgwal.com/ramanujan/">Taxi, Taxi!</a> [Original link, broken]; see also <a href="http://web.archive.org/web/20120203221114/http://www.korgwal.com/ramanujan">Archive.org backup</a> and <a href="/A003825/a003825.html">local cache</a> [top page only]
%H A003826 E. Rosenstiel et al., <a href="http://www.cix.co.uk/~rosenstiel/cubes/welcome.htm">The Four Least Solutions ...</a>, Instit. of Mathem. and Its Applic. Bull. Jul 27 (pp. 155-157) 1991
%H A003826 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CubicNumber.html">Cubic Number</a>
%H A003826 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DiophantineEquation3rdPowers.html">Diophantine Equation--3rd Powers</a>
%H A003826 David W. Wilson, <a href="https://cs.uwaterloo.ca/journals/JIS/wilson10.html">The Fifth Taxicab Number is 48988659276962496</a>, J. Integer Sequences, Vol. 2, 1999, #99.1.9.
%Y A003826 Cf. A011541, A023050, A023051, A001235.
%K A003826 nonn
%O A003826 1,1
%A A003826 _N. J. A. Sloane_
%E A003826 More terms from _David W. Wilson_, Oct 15 1997
%E A003826 b-file extended by _Ray Chandler_, Jan 19 2009