login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

From Table 1, p. 7 of MacLeod.

LINKS

Table of n, a(n) for n=1..28.

N. Elkies, Rational points near curves and small nonzero |x^3 - y^2| via lattice reduction, arXiv:math/0005139 [math.NT], 2000.

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.

K. Koyama, On searching for solutions of the Diophantine equation x^3 + y^3 + 2z^3 = n, Math. Comp. 69 (2000) 1735-1742.

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

Adjacent sequences:  A195003 A195004 A195005 * A195007 A195008 A195009

KEYWORD

nonn,less

AUTHOR

Jonathan Vos Post, Sep 12 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 25 22:56 EDT 2022. Contains 356986 sequences. (Running on oeis4.)