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Search: id:A007965
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| A007965 |
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n^p(n) - p(n)^n, where p(n) = n-th prime. |
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+0
4
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| -1, -1, 118, 13983, 48667074, 13055867207, 232630103648534, 144115171092292831, 8862938117851348434466, 99999999999999579292766699799, 191943424957750455095669944886980, 8505622499821102144569548732108989899311
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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n=3, a(3)=3.3.3.3.3-5.5.5=243-125=118; n=4, a(4)=16384-2401=13983
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MATHEMATICA
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lst={}; Do[p=Prime[n]; AppendTo[lst, n^p-p^n], {n, 4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 19 2008]
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CROSSREFS
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a(n) = A000027(n)^A000040(n)-A000040(n)^A000027(n).
A000027, A000040, A000312, A051674.
Sequence in context: A165462 A165156 A062500 this_sequence A013470 A140893 A143776
Adjacent sequences: A007962 A007963 A007964 this_sequence A007966 A007967 A007968
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KEYWORD
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sign
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AUTHOR
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Dennis S. Kluk (mathemagician(AT)ameritech.net)
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EXTENSIONS
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More terms from Labos E. (labos(AT)ana.sote.hu), Jul 09 2001
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