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%I #15 Jun 29 2018 02:14:03
%S 2,10,109,1923,113258,4103972,315764017,15871339589,1481092410586,
%T 327513561563174,26675659416361181,5516357252651388375,
%U 864424420824670346866,86799914926048613598024
%N a(n) = Sum_{k=1..n} (k^n + (prime(k) - 1)^n).
%D D. M. Burton, Elementary Number Theory, Allyn and Bacon, Inc., Boston, MA, 1976. p. 169.
%H Harry J. Smith, <a href="/A062412/b062412.txt">Table of n, a(n) for n = 1..100</a>
%e a(3) = 109 because 1^3 + 2^3 + 3^3 + 1^3 + 2^3 + 4^3 = 109.
%o (PARI) a(n)={sum(k=1, n, (k^n) + (prime(k) - 1)^n)}
%K easy,nonn
%O 1,1
%A _Jason Earls_, Jul 09 2001
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