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A105421
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Numbers n such that prime(n + 1) == 7 (mod n).
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0
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8, 30, 31, 33, 68, 72, 180, 1052, 6471, 40083, 40087, 40090, 40113, 40120
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| bb={}; Do[If[7==Mod[Prime[n+1], n], bb=Append[bb, n]], {n, 1, 99999}]; bb
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CROSSREFS
| Cf. A105286, A105287, A105288, A105290, A105329.
Sequence in context: A072264 A110527 A189946 * A071931 A074670 A092277
Adjacent sequences: A105418 A105419 A105420 * A105422 A105423 A105424
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KEYWORD
| nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), May 02 2005
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