Probable primes in sequence {s_k(4)}, where s_k(4) = 4*s_{k-1}(4) - s_{k-2}(4), k >= 2, s_0(4) = 1, s_1(4) = 5.
A299107
Probable primes in sequence {s_k(4)}, where s_k(4) = 4*s_{k-1}(4) - s_{k-2}(4), k >= 2, s_0(4) = 1, s_1(4) = 5.
Terms
- a(0) =5a(1) =19a(2) =71a(3) =3691a(4) =191861a(5) =138907099a(6) =26947261171
External references
- oeis: A299107