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A049279 Smallest nonnegative value taken on by nx^2 - 20y^2 for an infinite number of integer pairs (x, y). 0
1, 2, 3, 4, 0, 4, 7, 8, 1, 10, 11, 12, 5, 4, 15, 16, 5, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 5, 10, 11, 12, 13, 14, 15, 4, 5, 2, 19, 20, 9, 22, 23, 24, 0, 4, 8, 12, 1, 20, 24, 20, 5, 4, 35, 4, 12, 20, 11, 40, 41, 12, 28, 44, 5, 30, 23, 12, 1, 50, 31, 52, 5, 6, 55, 56, 28, 58, 59, 0, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A286247 A203571 A199511 * A126013 A119974 A195828
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)