a(1) = 3. For n > 1, a(n) = smallest prime q such that q^(a(n-1)-1) == 1 (mod a(n-1)^2).
A355598
a(1) = 3. For n > 1, a(n) = smallest prime q such that q^(a(n-1)-1) == 1 (mod a(n-1)^2).
Terms
- a(0) =3a(1) =17a(2) =131a(3) =659a(4) =503a(5) =9833a(6) =49603a(7) =327317a(8) =13900147a(9) =144229223a(10) =5872276013a(11) =58830754403
External references
- oeis: A355598