9-automorphic numbers ending in 4: final digits of 9*n^2 agree with n.

A030994

9-automorphic numbers ending in 4: final digits of 9*n^2 agree with n.

Terms

    a(0) =4a(1) =64a(2) =264a(3) =3264a(4) =23264a(5) =123264a(6) =4123264a(7) =54123264a(8) =754123264a(9) =5754123264a(10) =75754123264a(11) =675754123264

External references