a(n) is the smallest prime p such that the multiplicative order of 10 modulo p is 3^n.

A122787

a(n) is the smallest prime p such that the multiplicative order of 10 modulo p is 3^n.

Terms

    a(0) =3a(1) =37a(2) =333667a(3) =757a(4) =163a(6) =313471a(7) =2558791a(8) =618846643a(9) =2238862519a(11) =34720813

External references