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 A145552 #8 Mar 30 2012 17:29:58 %S A145552 6080256576,49991146569,389136420864,799858345104,3199433380416, %T A145552 4432507043904,8936757492481,18476474674329,21831536690929, %U A145552 24904730935296,35839080230625,36443545848801,51190934086656,71197008860224,95004009000000,204763736346624,283680450809856 %N A145552 Square numbers which can be expressed as the sum of 2 positive cubes in exactly 2 different ways. %C A145552 This is conjectured to be an infinite sequence. %H A145552 Ray Chandler, <a href="/A145552/b145552.txt">Table of n, a(n) for n = 1..771</a> %e A145552 a(1): 6080256576 = 77976^2 = 1824^3 + 228^3 = 1710^3 + 1026^3; a(2): 49991146569 = 223587^2 = 3666^3 + 897^3 = 3276^3 + 2457^3; a(3): 389136420864 = 623808^2 = 7296^3 + 912^3 = 6840^3 + 4104^3; a(4): 799858345104 = 894348^2 = 9282^3 + 546^3 = 9009^3 + 4095^3 %Y A145552 Cf. A145553. %K A145552 nonn %O A145552 1,1 %A A145552 Iain Renfrew (iain.renfrew(AT)btinternet.com), Oct 13 2008 %E A145552 Extended by _Ray Chandler_, Nov 22 2011