Numbers k such that the infinite sequence of digits consisting of the final digit of k^m for m = 2, 3, 4, ... is the same as the sequence of digits obtained by concatenating infinitely many copies of k.
A344555
Numbers k such that the infinite sequence of digits consisting of the final digit of k^m for m = 2, 3, 4, ... is the same as the sequence of digits obtained by concatenating infinitely many copies of k.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =6a(4) =11a(5) =19a(6) =55a(7) =64a(8) =66a(9) =111a(10) =555a(11) =666a(12) =1111a(13) =1919a(14) =4268a(15) =4862a(16) =5555a(17) =6464a(18) =6666a(19) =9317a(20) =9713a(21) =11111a(22) =55555a(23) =66666a(24) =111111a(25) =191919a(26) =555555a(27) =646464a(28) =666666a(29) =1111111
External references
- oeis: A344555