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A049267
Smallest nonnegative value taken on by nx^2 - 8y^2 for an infinite number of integer pairs (x, y).
0
1, 0, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4, 8, 12, 14, 7, 16, 8, 2, 4, 20, 8, 22, 23, 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 10, 4, 4, 13, 14, 15, 16, 17, 0, 4, 8, 5, 16, 20, 24, 1, 2, 3, 28, 8, 6, 7, 32, 8, 34, 4, 36, 37, 38, 39, 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 12, 8, 6, 15, 16, 1, 10, 19
OFFSET
1,3
CROSSREFS
Sequence in context: A320727 A374691 A159077 * A111608 A126800 A245689
KEYWORD
nonn
STATUS
approved