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Search: id:A065606
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| A065606 |
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The (7^n)-th composite number. |
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+0
1
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| 4, 14, 69, 388, 2773, 18930, 129761, 894388, 6189788, 42955634, 298658894, 2079246204, 14475705373, 101002269417, 704938883100, 4921666264176, 34371897668159
(list; graph; listen)
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OFFSET
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0,1
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MATHEMATICA
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Composite[n_Integer] := Block[ {k = n + PrimePi[n] + 1 }, While[ k != n + PrimePi[k] + 1, k = n + PrimePi[k] + 1]; Return[ k ]]; Table[ Composite[7^n], {n, 0, 16} ]
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CROSSREFS
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Sequence in context: A129219 A007025 A014512 this_sequence A005501 A049372 A050549
Adjacent sequences: A065603 A065604 A065605 this_sequence A065607 A065608 A065609
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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), Nov 27 2001
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