Smallest k such that 8^^n is not congruent to 8^^(n-1) mod k, where 8^^n denotes the power tower 8^8^...^8 (in which 8 appears n times).
A246496
Smallest k such that 8^^n is not congruent to 8^^(n-1) mod k, where 8^^n denotes the power tower 8^8^...^8 (in which 8 appears n times).
Terms
- a(0) =2a(1) =3a(2) =11a(3) =23a(4) =47a(5) =283a(6) =719a(7) =1439a(8) =2879a(9) =34549a(10) =138197a(11) =1266767a(12) =14920303
External references
- oeis: A246496