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A141236 Sequence of k such that starting with P(0)=17 then k(n)*P(n-1)*(k(n)*P(n-1)-1)-1 is the least prime = P(n). 3

%I

%S 1,2,22,9,12,140,76,1376,49,1030

%N Sequence of k such that starting with P(0)=17 then k(n)*P(n-1)*(k(n)*P(n-1)-1)-1 is the least prime = P(n).

%e 1*17*(1*17-1)-1=271 prime so k(1)=1 P(1)=271

%o (PARI) P=17;for(i=1,20,k=0;while(!ispseudoprime(t=k++*P*(k*P-1)-1),);P=t;print1(k", ")) \\ _Charles R Greathouse IV_, Dec 27 2011

%Y Cf. A141233-A141240.

%K nonn

%O 1,2

%A _Pierre CAMI_, Jun 16 2008

%E a(9)-a(10) from _Charles R Greathouse IV_, Dec 27 2011

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Last modified October 6 16:26 EDT 2022. Contains 357270 sequences. (Running on oeis4.)