a(n) is the smallest b >= 2 such that b^(6*2^n) - b^(3*2^n) + 1 is prime.
A298206
a(n) is the smallest b >= 2 such that b^(6*2^n) - b^(3*2^n) + 1 is prime.
Terms
- a(0) =6a(1) =3a(2) =3a(3) =6a(4) =5a(5) =106a(6) =207a(7) =569a(8) =224a(9) =736a(10) =2854a(11) =21234a(12) =14837a(13) =165394a(14) =24743a(15) =62721a(16) =237804a(17) =143332
External references
- oeis: A298206