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Search: id:A094461
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| A094461 |
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a[n] is the 5-th term in Euclid-Mullin [=EM] prime sequence initiated with n-th prime. |
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+0
4
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| 13, 13, 331, 13, 7, 6163, 7, 571, 13, 10267, 23, 31, 7, 13, 17, 7, 3, 7, 5227, 43, 7, 2371, 7, 61, 19, 3, 7, 13, 3271, 13, 5, 37, 4111, 43, 3, 13, 47, 7, 5011, 360187, 7, 73, 13, 22003, 23, 7, 8863, 5, 7, 6871, 181, 193, 7, 7, 11, 139, 3, 7, 1297, 73, 7, 7, 31, 3, 7
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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First term is p[n], 2nd equals 2;
3rd term is A091460 as largest p-divisor of 2p+1
[occasionally safe primes, A005385];
4th terms listed in A051614;5th term is here in A094461;
6th-7th terms in A094462, A094463;
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MATHEMATICA
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a[x_]:=First[Flatten [FactorInteger[Apply[Times, Table[a[j], {j, 1, x-1}]]+1]]]; ta=Table[0, {168}]; a[1]=1; Do[{a[1]=Prime[j], el=5}; Print[a[el]; ta[[j]]=a[el]; j++ ], {j, 1, 168}]; ta
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CROSSREFS
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Cf. A000945, A005385, A051614-A051616, A051308-A051335, A093778-A093782, A094152-A094153, A094460-A094463.
Sequence in context: A112230 A121932 A020553 this_sequence A004502 A020512 A132580
Adjacent sequences: A094458 A094459 A094460 this_sequence A094462 A094463 A094464
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), May 06 2004
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