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Search: id:A100688
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| A100688 |
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p * 3^p - 1 where p is prime. |
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+0
1
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| 17, 80, 1214, 15308, 1948616, 20726198, 2195382770, 22082967872, 2165293113020, 1990280943581606, 19147875284802356, 16660504517966902430, 1495392851464002242522, 14115049597965094337960
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OFFSET
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1,1
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EXAMPLE
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2*3^2 - 1 = 17
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MATHEMATICA
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Do[Print[Prime[n]*3^(Prime[n]) - 1], {n, 1, 20}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 15 2006
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CROSSREFS
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Sequence in context: A126404 A142021 A060934 this_sequence A044204 A044585 A053826
Adjacent sequences: A100685 A100686 A100687 this_sequence A100689 A100690 A100691
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 07 2004
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EXTENSIONS
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More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Feb 15 2006
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