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A049277 Smallest nonnegative value taken on by nx^2 - 18y^2 for an infinite number of integer pairs (x, y). +0
1
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 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A082928 A139524 A108127 this_sequence A046692 A045901 A098003

Adjacent sequences: A049274 A049275 A049276 this_sequence A049278 A049279 A049280

KEYWORD

nonn

AUTHOR

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

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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