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Values of b such that (c+9b)*prime(n)#-1 is the least prime such that (c+kb)*prime(n)#-1 are all primes for 0 <= k <= 9, or 0 if there is no solution with c+9b < prime(n)#.
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%I #16 Mar 31 2012 13:22:09

%S 0,0,0,0,0,289,213,22,177,266,1257,3278,14999,3011,7506,5531,3590,

%T 13714,2456,20010,3584,30464,14611,23835,3937,22689,20687,76314,34164,

%U 23928

%N Values of b such that (c+9b)*prime(n)#-1 is the least prime such that (c+kb)*prime(n)#-1 are all primes for 0 <= k <= 9, or 0 if there is no solution with c+9b < prime(n)#.

%C Values of c are in A188366.

%C For n = 9, 13, and 16 (c+kb)*prime(n)#-1 is prime for k=10 as well.

%Y Cf. A188366.

%K nonn,hard

%O 1,6

%A _Pierre CAMI_, Mar 29 2011

%E More terms from Pierre CAMI