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Search: id:A125262
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| A125262 |
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Numbers n such that n^k + k - 1 is prime, k=7. |
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+0
7
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| 1, 13, 17, 23, 61, 73, 77, 101, 137, 215, 221, 283, 307, 317, 361, 431, 457, 473, 481, 641, 731, 767, 817, 881, 985, 1015, 1061, 1145, 1235, 1283, 1333, 1337, 1343, 1531, 1693, 1711, 1817, 1847, 1853, 1867, 1903, 1963, 2057, 2093, 2113, 2161, 2201, 2363
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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k = 1 A000040, k = 2 A005574, k = 3 A067200, k = 4 A125259, k = 5 A125260, k = 6 A125261, k = 7 A125262, k = 8 A125263, k = 10 A125264, k = 11 A125265
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MATHEMATICA
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lst={}; k=7; Do[If[PrimeQ[n^k+k-1], AppendTo[lst, n]], {n, 0, 10^4}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 10 2008]
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CROSSREFS
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Cf. A000040, A005574, A067200, A125259 - A125265.
Sequence in context: A158072 A126143 A145483 this_sequence A163754 A104278 A129070
Adjacent sequences: A125259 A125260 A125261 this_sequence A125263 A125264 A125265
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)gmail.com), Nov 26 2006
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