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A013945
Least d such that period of continued fraction for sqrt(d) contains n (n^2+2 if n odd, (n/2)^2+1 if n even).
+0
2
3, 2, 11, 5, 27, 10, 51, 17, 83, 26, 123, 37, 171, 50, 227, 65, 291, 82, 363, 101, 443, 122, 531, 145, 627, 170, 731, 197, 843, 226, 963, 257, 1091, 290, 1227, 325, 1371, 362, 1523, 401, 1683, 442, 1851, 485
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.
AT&T Labs Research
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