3-automorphic numbers ending in 5: final digits of 3*n^2 agree with n.
A030986
3-automorphic numbers ending in 5: final digits of 3*n^2 agree with n.
Terms
- a(0) =5a(1) =75a(2) =875a(3) =6875a(4) =96875a(5) =296875a(6) =4296875a(7) =4296875a(8) =404296875a(9) =9404296875a(10) =39404296875a(11) =639404296875
External references
- oeis: A030986