login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A049266 Smallest nonnegative value taken on by nx^2 - 7y^2 for an infinite number of integer pairs (x, y). 0
1, 1, 3, 1, 5, 6, 0, 1, 2, 3, 1, 5, 5, 7, 8, 1, 5, 2, 3, 5, 14, 1, 1, 17, 2, 19, 20, 0, 1, 2, 3, 4, 5, 3, 7, 8, 1, 10, 8, 12, 13, 14, 1, 1, 5, 9, 5, 17, 21, 2, 11, 5, 1, 17, 3, 28, 29, 1, 13, 32, 33, 34, 0, 1, 2, 3, 1, 5, 6, 7, 1, 8, 5, 1, 3, 12, 14, 2, 1, 17, 2, 19, 5, 21, 22, 1, 5, 1, 13, 17, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..91.

CROSSREFS

Sequence in context: A146913 A146252 A181641 * A089028 A209758 A134083

Adjacent sequences:  A049263 A049264 A049265 * A049267 A049268 A049269

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 31 09:30 EDT 2020. Contains 334748 sequences. (Running on oeis4.)