a(1) is the least k such that p(1) = (k*3)^2 + k*3 - 1 is prime, then a(n+1) is the least k such that (k*p(n))^2 + k*p(n) - 1 = p(n+1) is prime.
A120392
a(1) is the least k such that p(1) = (k*3)^2 + k*3 - 1 is prime, then a(n+1) is the least k such that (k*p(n))^2 + k*p(n) - 1 = p(n+1) is prime.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =13a(5) =1a(6) =101a(7) =130a(8) =109a(9) =418a(10) =388a(11) =876a(12) =5011a(13) =11529
External references
- oeis: A120392