5-automorphic numbers: final digits of 5n^2 agree with n.

A030988

5-automorphic numbers: final digits of 5n^2 agree with n.

Terms

    a(0) =5a(1) =25a(2) =125a(3) =8125a(4) =78125a(5) =578125a(6) =2578125a(7) =42578125a(8) =642578125a(9) =3642578125a(10) =83642578125a(11) =983642578125

External references