login
A049277
Smallest nonnegative value taken on by nx^2 - 18y^2 for an infinite number of integer pairs (x, y).
0
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
OFFSET
1,3
CROSSREFS
Sequence in context: A108127 A207376 A213197 * A214917 A260316 A258742
KEYWORD
nonn
STATUS
approved