9-automorphic numbers ending in 5: final digits of 9*n^2 agree with n.

A030995

9-automorphic numbers ending in 5: final digits of 9*n^2 agree with n.

Terms

    a(0) =5a(1) =25a(2) =625a(3) =5625a(4) =65625a(5) =765625a(6) =4765625a(7) =34765625a(8) =134765625a(9) =3134765625a(10) =13134765625a(11) =213134765625

External references