Sequence of a(n) such that : define p(0)=2 the first prime, then p(n+1)=least prime p of the form a(n)*p(n)*(a(n)*p(n)+1)-1 with a twin prime p+2.

A143181

Sequence of a(n) such that : define p(0)=2 the first prime, then p(n+1)=least prime p of the form a(n)*p(n)*(a(n)*p(n)+1)-1 with a twin prime p+2.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =135a(4) =549a(5) =7209a(6) =1741a(7) =4197a(8) =172434a(9) =2638147

External references