|
Search: id:A120931
|
|
|
| A120931 |
|
Values y corresponding to least x (A120930) of primitive quadruple(n,x,y,z),n<x<y<z satisfying n^3 + x^3 + y^3 = z^3. |
|
+0
3
|
|
| 8, 40, 5, 22, 123, 33, 17, 1744, 116, 323, 27, 53, 104, 70, 49, 41, 86, 21, 90, 79, 84, 54, 300, 382, 86, 78, 37, 75, 44, 427, 72, 85, 92, 65, 202, 61, 1331, 66, 156, 366, 319, 205, 1165, 118, 199, 148, 295, 491, 263, 64, 477, 3327, 194, 163, 296, 210, 180, 69, 148
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
S. Dutch, Cubic Quartets With a,b,c<1000
|
|
PROGRAM
|
(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(y)); y++; ); x++; ); - Martin Fuller (martin_n_fuller(AT)btinternet.com), Aug 11 2006
|
|
CROSSREFS
|
Sequence in context: A134415 A097787 A045909 this_sequence A069083 A014642 A135796
Adjacent sequences: A120928 A120929 A120930 this_sequence A120932 A120933 A120934
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 16 2006
|
|
EXTENSIONS
|
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
|
|
|
Search completed in 0.002 seconds
|
