A328274 - cp's OEIS frontend

A328274 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).

n	a(n)
1	1
2	16
3	648
4	2500
5	101250
6	259308
7	1542294
8	3660250
9	4691556
10	33734898
11	846948966
12	1877404326
13	21107677374
14	39691260010
15	535377671178
16	178726991395974

[1, 16, 648, 2500, 101250, 259308, 1542294, 3660250, 4691556, 33734898, 846948966, 1877404326, 21107677374, 39691260010, 535377671178, 178726991395974]

cp's OEIS Frontend

A328274 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).

Table of values

List of values