This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A088122 #9 Jul 25 2017 06:54:53 %S A088122 3,17,11,10273,29,702337,59,358218449,101,144343444402281177689, %T A088122 13269388801,93810335233,239,1305289,214201115363366099, %U A088122 7339592775850735791497954599833793,809672944130045028361241,6177516768446306373088541231324219761,569 %N A088122 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 A088122 Alois P. Heinz, <a href="/A088122/b088122.txt">Table of n, a(n) for n = 1..200</a> %e A088122 a(4) = 10273. For x = 1,2,3,4,5 f(4,x) is composite. f(4,6) = 10273. %Y A088122 Cf. A088123. %K A088122 nonn %O A088122 1,1 %A A088122 _Amarnath Murthy_, Sep 25 2003 %E A088122 More terms from _Tom Mueller_, May 04 2004