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A049260 Smallest nonnegative value taken on by nx^2 - y^2 for an infinite number of integer pairs (x, y). +0
1
0, 1, 2, 0, 1, 2, 3, 4, 0, 1, 2, 3, 1, 5, 6, 0, 1, 2, 2, 4, 3, 2, 7, 8, 0, 1, 2, 3, 1, 5, 3, 7, 8, 9, 10, 0, 1, 2, 3, 4, 1, 6, 2, 7, 5, 5, 11, 12, 0, 1, 2, 3, 1, 2, 6, 7, 3, 1, 2, 11, 1, 13, 14, 0, 1, 2, 2, 4, 5, 5, 7, 8, 1, 1, 11, 3, 7, 14, 15, 16, 0, 1, 2, 3, 1, 2, 6, 7, 1, 9, 3, 7, 3, 5, 14, 15, 1 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A145201 A119464 A107017 this_sequence A053186 A066628 A135317

Adjacent sequences: A049257 A049258 A049259 this_sequence A049261 A049262 A049263

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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