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A138412 a(n) = p^5*(p-1) where p =prime(n). 4

%I #10 Oct 15 2017 09:37:51

%S 32,486,12500,100842,1610510,4455516,22717712,44569782,141599546,

%T 574312172,858874530,2496382452,4634248040,6174354606,10549870322,

%U 21746165636,41465609342,50675778060,89108257062,126296054570

%N a(n) = p^5*(p-1) where p =prime(n).

%H Vincenzo Librandi, <a href="/A138412/b138412.txt">Table of n, a(n) for n = 1..167</a>

%H <a href="/index/Pri#prime_powers">Index to sequences related to prime powers</a>

%F a(n) = A000010(prime(n)^6). - _R. J. Mathar_, Oct 15 2017

%t a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p^5], {n, 1, 50}]; a

%o (PARI) forprime(p=2,1e3,print1(p^6-p^5", ")) \\ _Charles R Greathouse IV_, Jun 16 2011

%K nonn,easy

%O 1,1

%A _Artur Jasinski_, Mar 19 2008

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)