A049268 - OEIS

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A049268

Smallest nonnegative value taken on by nx^2 - 9y^2 for an infinite number of integer pairs (x, y).

0, 2, 3, 0, 5, 6, 7, 8, 0, 1, 2, 3, 1, 5, 6, 0, 8, 9, 10, 11, 3, 7, 11, 15, 0, 9, 18, 7, 5, 21, 22, 23, 24, 25, 26, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 7, 11, 12, 0, 9, 15, 4, 9, 18, 19, 20, 3, 1, 11, 15, 1, 23, 27, 0, 9, 18, 7, 32, 15, 31, 11, 36, 1, 9, 39, 19, 17, 42, 43, 44, 0, 1, 2, 3, 1, 2, 6, 7

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..88.

CROSSREFS

Sequence in context: A325314 A322953 A376755 * A291305 A004179 A324640

Adjacent sequences: A049265 A049266 A049267 * A049269 A049270 A049271

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved