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Let f(n,x) = 1 + 2x + 3x^2 + 5x^3 + 7x^4 + ... + prime(n)*x^n; a(n) = smallest prime f(n,x), or 0 if no such prime exists.
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%I #9 Jul 25 2017 06:54:53

%S 3,17,11,10273,29,702337,59,358218449,101,144343444402281177689,

%T 13269388801,93810335233,239,1305289,214201115363366099,

%U 7339592775850735791497954599833793,809672944130045028361241,6177516768446306373088541231324219761,569

%N Let f(n,x) = 1 + 2x + 3x^2 + 5x^3 + 7x^4 + ... + prime(n)*x^n; a(n) = smallest prime f(n,x), or 0 if no such prime exists.

%H Alois P. Heinz, <a href="/A088122/b088122.txt">Table of n, a(n) for n = 1..200</a>

%e a(4) = 10273. For x = 1,2,3,4,5 f(4,x) is composite. f(4,6) = 10273.

%Y Cf. A088123.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Sep 25 2003

%E More terms from _Tom Mueller_, May 04 2004