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A195006
Some numbers of the form 2*x^3 + y^3 + z^3 found by a certain algorithm.
6
1247, 1462, 1588, 2246, 2822, 3307, 3335, 3641, 4990, 5188, 5279, 5620, 5629, 6707, 6980, 7097, 7177, 7323, 7519, 7853, 8114, 8380, 8572, 8644, 8887, 9274, 9589, 9850
OFFSET
1,1
COMMENTS
From Table 1, p. 7 of MacLeod.
LINKS
N. Elkies, Rational points near curves and small nonzero |x^3 - y^2| via lattice reduction, in Algorithmic Number Theory (Leiden 2000), Lecture Notes in Computer Science 1838, Springer 2000.
A.-S. Elsenhans, J. Jahnel, New sums of three cubes, Math. Comp. 78 (2009) 1227-1230.
Allan J. MacLeod, New Solutions of d=2x^3+y^3+z^3, arXiv:1109.2396v1 [math.NT], Sep 12, 2011.
EXAMPLE
1247 = 2*26478194^3 + 108525095^3 + (-109565866)^3.
CROSSREFS
Sequence in context: A190413 A252675 A066696 * A114528 A069146 A251648
KEYWORD
nonn,less
AUTHOR
Jonathan Vos Post, Sep 12 2011
STATUS
approved