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Search: id:A067185
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| A067185 |
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Numbers n such that prime(n+1)+prime(n)==1 (mod n). |
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+0
2
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| 7, 17, 109, 281, 1669, 6592663, 16899113, 16899145, 16899295, 749973611
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = b = 0; Do[b = Prime[n + 1]; If[Mod[a + b, n] == 1, Print[n]]; a = b, {n, 1, 10^9}]
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CROSSREFS
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Sequence in context: A082738 A092340 A068172 this_sequence A063384 A165246 A118108
Adjacent sequences: A067182 A067183 A067184 this_sequence A067186 A067187 A067188
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 19 2002
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EXTENSIONS
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Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 19 2002
Extended by David W. Wilson (davidwwilson(AT)comcast.net), Feb 20 2002
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