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%I #13 Jan 11 2023 05:12:07
%S 2,199,409,17569,981091,3918251,1329433951,75902670689,45048280453021
%N Smallest prime p such that (k+1)*p^2-k are prime for k=1..n.
%C a(1..8) are the first terms correspondingly in A106483, A213078, A213079, A213107, A213125, A213159, A213161, A213334.
%o (PARI) a(n) = {my(p = 2); until (ok, ok = 1; for (k = 1, n, if (! isprime((k+1)*p^2-k), ok = 0; break;);); if (!ok, p = nextprime(p+1);)); return (p);} \\ _Michel Marcus_, Apr 19 2013
%K nonn,more
%O 1,1
%A _Zak Seidov_, Jun 06 2012
%E a(9) from _Tyler Busby_, Jan 11 2023
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