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Search: id:A092044
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| A092044 |
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Numbers n such that prime(n) == -2 (mod n). |
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+0
14
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| 1, 11, 71, 637319, 637323, 637327, 179993015, 1208198861, 8179002163, 8179002189, 55762149067, 55762149103
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; p = 1; Do[ If[ Mod[p = NextPrim[p], n] == n - 2, Print[n]], {n, 1, 10^9}]
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PROGRAM
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(PARI) for(i=1, 10^9, if(Mod(prime(i), i)==-2, print1(i, ", ")));
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CROSSREFS
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Cf. A023144, A045924, A092045, A092046, A092047, A092048, A092049, A092050, A092051, A092052.
Cf. A105290.
Sequence in context: A139185 A103998 A034196 this_sequence A156149 A006975 A084900
Adjacent sequences: A092041 A092042 A092043 this_sequence A092045 A092046 A092047
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KEYWORD
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nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 18 2004
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EXTENSIONS
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Corrected by Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Feb 20 2004
a(7)-a(12) from Robert G. Wilson v (rgwv(at)rgwv.com), Feb 22 2006
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