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Search: id:A125260
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| A125260 |
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Numbers n such that n^k + k - 1 is prime, k=5. |
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+0
7
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| 1, 7, 9, 25, 39, 45, 73, 85, 99, 147, 163, 165, 169, 189, 213, 219, 223, 225, 249, 253, 259, 279, 333, 337, 385, 433, 457, 465, 469, 477, 499, 595, 639, 643, 655, 703, 709, 715, 729, 849, 853, 895, 969, 973, 979, 987, 1065, 1075, 1077, 1093, 1165, 1239, 1255
(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=5; Do[If[PrimeQ[n^k+k-1], AppendTo[lst, n]], {n, 10^3}]; 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: A029633 A049301 A102028 this_sequence A104703 A032617 A113124
Adjacent sequences: A125257 A125258 A125259 this_sequence A125261 A125262 A125263
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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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