Primes p that remain prime through 4 iterations of the function f(p) = p^2 + 4.
A116888
Primes p that remain prime through 4 iterations of the function f(p) = p^2 + 4.
Terms
- a(0) =306167a(1) =48639197a(2) =64695713a(3) =68252687a(4) =87788237a(5) =87813293a(6) =160486967a(7) =255974437a(8) =283032247a(9) =324609913a(10) =361705873a(11) =417684523a(12) =449364197a(13) =451995587a(14) =454052213a(15) =466037563a(16) =536504713a(17) =574746467a(18) =596095613
External references
- oeis: A116888