cp's OEIS Frontend

A096065 Let p(k) = k-th prime; sequence gives primes q of the form q = k*p(k) - 1 for some k.

%I A096065 #3 Oct 12 2012 14:38:23
%S A096065 5,151,443,601,1097,3389,13553,20921,25847,32719,41669,46153,56813,
%T A096065 66109,84691,119087,129449,150559,188857,201847,206273,240173,266863,
%U A096065 271109,310577,318751,346553,395749,430819,446951,451933,507079,645527
%N A096065 Let p(k) = k-th prime; sequence gives primes q of the form q = k*p(k) - 1 for some k.
%e A096065 a(3)=443 because the twelfth prime is 37 and 12 * 37 - 1 = 443.
%t A096065 Select[Table[Prime[n]*n - 1, {n, 320}], PrimeQ]
%Y A096065 Cf. A086173, A096064.
%K A096065 nonn
%O A096065 0,1
%A A096065 _Alonso del Arte_, Jul 20 2004