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Search: id:A120932
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| A120932 |
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Values z corresponding to least x (A120930) of primitive quadruples (n,x,y,z),n<x<y<z satisfying n^3 + x^3 + y^3 = z^3. |
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+0
2
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| 9, 41, 6, 25, 132, 41, 20, 1745, 120, 372, 29, 54, 108, 71, 58, 44, 89, 28, 96, 87, 88, 67, 302, 391, 88, 87, 46, 84, 53, 459, 76, 93, 105, 72, 206, 69, 1332, 75, 191, 373, 324, 210, 1168, 123, 201, 151, 297, 492, 266, 85, 478, 3328, 197, 171, 302, 213, 185, 90, 162
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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S. Dutch, Cubic Quartets With a,b,c<1000
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FORMULA
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n^3+A120930(n)^3+A120931(n)^3=A120932(n)^3. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 25 2006
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PROGRAM
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(PARI) A(n)=local(x, y, z); x=n+1; while(1, y=x+1; while(n^3+x^3+y^3>=(y+1)^3, if(ispower(n^3+x^3+y^3, 3, &z)&(gcd([n, x, y, z])==1), return(z)); y++; ); x++; ); - Martin Fuller (martin_n_fuller(AT)btinternet.com), Aug 11 2006
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CROSSREFS
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Cf. A120931.
Sequence in context: A129799 A093816 A093469 this_sequence A034925 A045804 A000451
Adjacent sequences: A120929 A120930 A120931 this_sequence A120933 A120934 A120935
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KEYWORD
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nonn
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 16 2006
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EXTENSIONS
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More terms from Martin Fuller (martin_n_fuller(AT)btinternet.com), Aug 11 2006
Corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 25 2006
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