Smallest number m > 1 such that m^2 == 1 (mod 10^n).
A181539
Smallest number m > 1 such that m^2 == 1 (mod 10^n).
Terms
- a(0) =9a(1) =49a(2) =249a(3) =1249a(4) =18751a(5) =218751a(6) =781249a(7) =24218751a(8) =74218751a(9) =1425781249a(10) =13574218751a(11) =163574218751a(12) =163574218751
External references
- oeis: A181539