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%I #9 Oct 15 2017 10:15:16
%S 6,54,750,4116,39930,92274,353736,617310,1606044,5121690,7149840,
%T 17323326,28946820,36732234,57310296,104511654,178679730,211092330,
%U 337456086,450967860,518170644,769140840,984617214,1395838620
%N a(n) = ((n-th prime)^5-(n-th prime)^3)/4.
%H Harvey P. Dale, <a href="/A138434/b138434.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A138406(n)/4. - _R. J. Mathar_, Oct 15 2017
%t a = {}; Do[p = Prime[n]; AppendTo[a, (p^5 - p^3)/4], {n, 1, 50}]; a
%t (#^5-#^3)/4&/@Prime[Range[30]] (* _Harvey P. Dale_, Apr 30 2017 *)
%o (PARI) forprime(p=2,1e3,print1((p^5-p^3)/4", ")) \\ _Charles R Greathouse IV_, Jul 15 2011
%K nonn,easy
%O 1,1
%A _Artur Jasinski_, Mar 19 2008