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a(n) = largest number m >0 such that n*prime(n)-a(n) is a prime.
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%I #2 Mar 30 2012 17:26:15

%S 1,1,2,1,4,1,8,5,4,3,6,5,8,5,4,5,6,5,4,3,10,3,4,1,12,7,8,3,2,1,6,9,2,

%T 3,12,1,4,3,8,27,10,1,6,9,2,3,6,5,8,17,4,5,8,13,8,3,16,9,6,11,28,3,32,

%U 9,2,7,12,5,14,9,10,1,10,9,4,15,6,5,8,29,2,15,24,1,6,15,16,15,10,11,2,3,2

%N a(n) = largest number m >0 such that n*prime(n)-a(n) is a prime.

%C Cf. A107060: a(n)>=0 such that n*prime(n)-a(n) is the largest prime

%Y Cf. A107060.

%K nonn

%O 1,3

%A _Zak Seidov_, May 10 2005