A049266 Smallest nonnegative value taken on by nx^2 - 7y^2 for an infinite number of integer pairs (x, y).

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

Offset

1,3

Links

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

Crossrefs

Sequence in context: A146252 A181641 A388032 * A089028 A388225 A209758

Adjacent sequences: A049263 A049264 A049265 * A049267 A049268 A049269

Keyword

nonn

Author

David W. Wilson

Status

approved