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 A138446 a(n) = ((n-th prime)^6-(n-th prime^2))/10. 3

%I #7 May 13 2013 01:48:47

%S 6,72,1560,11760,177144,482664,2413728,4704552,14803536,59482248,

%T 88750272,256572504,475010256,632136120,1077921312,2216435832,

%U 4218053016,5152037064,9045837768,12810027888,15133422096,24308744928

%N a(n) = ((n-th prime)^6-(n-th prime^2))/10.

%H Harvey P. Dale, <a href="/A138446/b138446.txt">Table of n, a(n) for n = 1..1000</a>

%t a = {}; Do[p = Prime[n]; AppendTo[a, (p^6 - p^2)/10, {n, 1, 50}]; a

%t (#^6-#^2)/10&/@Prime[Range[30]] (* _Harvey P. Dale_, Aug 15 2012 *)

%o (PARI) forprime(p=2,1e3,print1((p^6-p^2)/10", ")) \\ _Charles R Greathouse IV_, Jul 15 2011

%K nonn,easy

%O 1,1

%A _Artur Jasinski_, Mar 19 2008

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Last modified September 13 22:05 EDT 2024. Contains 375910 sequences. (Running on oeis4.)