33734898

Appears in sequences

• a(n) = (prime(n)^5 - prime(n)^4)/2.at n=11A138439
• Numbers m such that phi(m) = rad(m)^3, where phi is the Euler totient function (A000010) and rad is the squarefree kernel function (A007947).at n=9A328274
• a(n) is the least natural k which is a multiple of prime(n) such that for some m >= 0, phi(k) = rad(k)^m, where phi(k) = A000010(k) and rad(k) = A007947(k).at n=11A337775