A135253 - OEIS

%I #16 Jun 04 2020 02:10:54

%S 29,15013,18619578267422150405596466863475139731

%N Primes in A135485.

%C Prime a(5), if it exists, appears later than A135485(1500). - _G. C. Greubel_, May 30 2020

%H Jinyuan Wang, <a href="/A135253/b135253.txt">Table of n, a(n) for n = 1..4</a>

%t A135485:= Table[Sum[Prime[i]^(i-1), {i, n}], {n, 100}];

%t Select[A135485, PrimeQ] (* _G. C. Greubel_, May 30 2020 *)

%o (PARI) lista(nn) = {for (n=1, nn, v = sum(i=1, n, prime(i)^(i-1)); if (isprime(v), print1(v, ", ");););} \\ _Michel Marcus_, Jun 02 2013

%Y Cf. A135485.

%K nonn

%O 1,1

%A _Ctibor O. Zizka_, Feb 15 2008

%E Corrected and extended by _Michel Marcus_, Jun 02 2013