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.
%I A273219 #11 May 24 2016 23:56:30 %S A273219 216027,262656,515375,1092728,1331064,1533357,1728216,1845649,2101248, %T A273219 2515968,2562112,2622104,2864288,3511872,3551112,4033503,4123000, %U A273219 4511808,4607064,5004125,5462424,5832729,6017193,7091712,7882245,8491392,8493039,8494577,8741824 %N A273219 Taxi-cab numbers (A001235) that are the sum of three positive cubes. %C A273219 A001235(158) = 10702783 = 7*13*337*349 is the least squarefree term of this sequence. %H A273219 Chai Wah Wu, <a href="/A273219/b273219.txt">Table of n, a(n) for n = 1..16254</a> %e A273219 216027 is a term because 216027 = 3^3 + 60^3 = 22^3 + 59^3 = 11^3 + 42^3 + 52^3. %e A273219 262656 is a term because 262656 = 8^3 + 64^3 = 36^3 + 60^3 = 15^3 + 42^3 + 57^3. %e A273219 515375 is a term because 515375 = 15^3 + 80^3 = 54^3 + 71^3 = 30^3 + 62^3 + 63^3. %Y A273219 Cf. A001235, A003072. %K A273219 nonn %O A273219 1,1 %A A273219 _Altug Alkan_, May 18 2016