1425408

Appears in sequences

• Numbers k such that 2^phi(k) == phi(k)^2 (mod k^2).at n=16A319314
• Numbers n for which A324108(n) = A324054(n-1) and which are neither prime powers nor of the form 2^i * p^j, where p is an odd prime, with either exponent i or j > 0.at n=43A324111