Positive integers k that divide 7^k + 2.

A277370

Positive integers k that divide 7^k + 2.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =69a(4) =2155a(5) =34073a(6) =876047637a(7) =97090036327a(8) =420397381695

External references