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%I #17 Sep 08 2022 08:45:14
%S 29,149,3749,93749,58593749,1464843749,915527343749,22888183593749,
%T 14305114746093749,223517417907714843749,5587935447692871093749,
%U 87311491370201110839843749,54569682106375694274902343749,1364242052659392356872558593749
%N a(n) = 5^(prime(n) - 1) + 5^prime(n) - 1.
%F a(n) = A198764(prime(n)-1) = A198764(A000040(n)-1). - _Michel Marcus_, Aug 27 2015
%e a(1) = 5^(2 - 1) + (5^2 - 1) = 29.
%t Table[5^(Prime[n] - 1) + (5^Prime[n] - 1), {n, 1, 15}] (* _Stefan Steinerberger_, Feb 28 2006 *)
%o (PARI) main(m)=forprime(p=2,100, print1(", ",5^(p-1) + (5^p - 1))) \\ _Anders Hellström_, Aug 26 2015
%o (Magma) [5^(NthPrime(n)-1) + 5^NthPrime(n) - 1: n in [1..20]]; // _Vincenzo Librandi_, Aug 27 2015
%Y Cf. A097743.
%K nonn
%O 1,1
%A _Parthasarathy Nambi_, Sep 23 2004
%E More terms from _Stefan Steinerberger_, Feb 28 2006
%E a(14) from _Vincenzo Librandi_, Aug 27 2015
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