%I #8 Mar 30 2012 17:29:58
%S 6080256576,49991146569,389136420864,799858345104,3199433380416,
%T 4432507043904,8936757492481,18476474674329,21831536690929,
%U 24904730935296,35839080230625,36443545848801,51190934086656,71197008860224,95004009000000,204763736346624,283680450809856
%N Square numbers which can be expressed as the sum of 2 positive cubes in exactly 2 different ways.
%C This is conjectured to be an infinite sequence.
%H Ray Chandler, <a href="/A145552/b145552.txt">Table of n, a(n) for n = 1..771</a>
%e 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 Cf. A145553.
%K nonn
%O 1,1
%A Iain Renfrew (iain.renfrew(AT)btinternet.com), Oct 13 2008
%E Extended by _Ray Chandler_, Nov 22 2011
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