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Primes of the form (k+1)*prime(k) + k*prime(k+1).
1

%I #3 Mar 30 2012 18:50:44

%S 7,19,41,79,131,193,269,491,1303,2099,2689,3643,6547,8707,9931,11239,

%T 12703,14939,16703,22571,26317,33199,35419,37493,39241,41263,48371,

%U 52631,57529,73681,84163,114797,119129,133481,136027,138373,151573

%N Primes of the form (k+1)*prime(k) + k*prime(k+1).

%C Intersection of A097240 and A000040.

%e A097240(5) = (5+1)*A000040(5)+5*A000040(5+1) = 6*11+5*13 =

%e 66+65 = 131 = A000040(32), therefore 131 is a term.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Aug 02 2004