A049277 Smallest nonnegative value taken on by nx^2 - 18y^2 for an infinite number of integer pairs (x, y).

1, 0, 3, 4, 2, 6, 7, 0, 9, 10, 9, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 2, 9, 10, 2, 12, 13, 0, 9, 16, 17, 18, 13, 20, 21, 22, 2, 6, 1, 14, 18, 22, 5, 30, 31, 0, 9, 18, 2, 36, 37, 14, 9, 10, 9, 42, 18, 44, 45, 46, 2, 48, 9, 50, 51, 52, 53, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 9, 12

Offset

1,3

Links

Table of n, a(n) for n=1..84.

Crossrefs

Sequence in context: A108127 A207376 A213197 * A214917 A260316 A258742

Adjacent sequences: A049274 A049275 A049276 * A049278 A049279 A049280

Keyword

nonn

Author

David W. Wilson

Status

approved