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: A146913 A146252 A181641 * A089028 A209758 A134083

Adjacent sequences: A049263 A049264 A049265 * A049267 A049268 A049269

Keyword

nonn

Author

David W. Wilson

Status

approved