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Search: id:A122516
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| 3, 5, 11, 19, 23, 37, 43, 61, 83, 107, 181, 271, 283, 349, 467, 499, 547, 563, 743, 821, 863, 947, 991, 1013, 1571, 2341, 2437, 2633, 2803, 2837, 2939, 3299, 3373, 3677, 3833, 4073, 4793, 4973, 5387, 5479, 5573, 6043, 6091, 6737, 7907, 8017, 8693, 8867
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A subset of A057447. - Alexander Adamchuk (alex(AT)kolmogorov.com), Sep 17 2006
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FORMULA
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a(n) = Prime[ A122933[n] ]. - Alexander Adamchuk (alex(AT)kolmogorov.com), Sep 20 2006
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MATHEMATICA
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Flatten[Table[If[PrimeQ[Sum[ PrimePi[n], {n, 1, m}]], Sum[PrimePi[n], {n, 1, m}], {}], {m, 1, 200}]]
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CROSSREFS
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Cf. A046992, A013918, A057447, A122933.
Sequence in context: A045957 A153065 A089439 this_sequence A023233 A048161 A051642
Adjacent sequences: A122513 A122514 A122515 this_sequence A122517 A122518 A122519
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KEYWORD
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nonn
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AUTHOR
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Roger Bagula (rlbagulatftn(AT)yahoo.com), Sep 16 2006
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EXTENSIONS
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Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 17 2006
More terms from Alexander Adamchuk (alex(AT)kolmogorov.com), Sep 17 2006
Definition corrected, Sep 30 2006
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