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A049254 Smallest nonnegative value taken on by 15x^2 - ny^2 for an infinite number of integer pairs (x, y). 0
6, 7, 3, 11, 10, 6, 8, 7, 6, 5, 1, 3, 2, 1, 0, 15, 15, 15, 15, 15, 15, 15, 7, 15, 15, 6, 15, 15, 10, 15, 11, 7, 3, 15, 15, 15, 2, 10, 15, 15, 6, 15, 15, 4, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 15, 15, 6, 15, 15, 15, 15, 15, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..80.

CROSSREFS

Sequence in context: A272875 A018248 A146485 * A144028 A089321 A299629

Adjacent sequences:  A049251 A049252 A049253 * A049255 A049256 A049257

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified January 19 06:18 EST 2022. Contains 350464 sequences. (Running on oeis4.)