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A066257
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a(n) is the smallest number >1 of the form (k^2+n)/(n^2+k).
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1
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3, 2, 4, 3, 11, 16, 2, 29, 7, 5, 8, 67, 39, 92, 106, 11, 137, 34, 23, 191, 211, 8, 5, 277, 21, 3, 352, 165, 11, 10, 68, 37, 529, 83, 15, 31, 23, 704, 19, 315, 821, 67, 137, 63, 61, 28, 26, 7, 43, 1226, 931, 513, 87, 1432, 6, 23, 1597, 15, 1712, 1771, 13, 1892, 16, 11, 125
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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MATHEMATICA
| Do[k = 1; While[m = (k^2 + n)/(n^2 + k); !IntegerQ[m] || m == 1, k++ ]; Print[m], {n, 2, 75} ]
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CROSSREFS
| Sequence in context: A065375 A070961 A061721 * A085591 A062964 A010270
Adjacent sequences: A066254 A066255 A066256 * A066258 A066259 A066260
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KEYWORD
| nonn
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AUTHOR
| Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 31 2001
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 03 2002
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