45395

Appears in sequences

• Numbers k such that 129*2^k-1 is prime.at n=44A050590
• a(n) = n^3 - n^2 + n - 1 = (n-1) * (n^2 + 1).at n=36A062158
• Numbers k such that the product of Euler phi of the 2 consecutive integers {k,k+1} is a 4th power: if sqrt(sqrt(phi(k)*phi(k+1))) is an integer, then k is here.at n=14A082788