1,2
Table of n, a(n) for n=1..10.
1*17*(1*17-1)-1=271 prime so k(1)=1 P(1)=271
(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
Cf. A141233-A141240.
Sequence in context: A083764 A336324 A335886 * A079032 A325485 A284063
Adjacent sequences: A141233 A141234 A141235 * A141237 A141238 A141239
nonn
Pierre CAMI, Jun 16 2008
a(9)-a(10) from Charles R Greathouse IV, Dec 27 2011
approved
