A068582 Let phi_m(x)=phi(phi(....(phi(x))...) m times; sequence gives values of n such that phi_5(n)=tau(n).

1, 41, 47, 53, 59, 61, 67, 71, 73, 79, 85, 109, 115, 119, 123, 125, 127, 141, 143, 145, 155, 159, 161, 163, 166, 177, 178, 183, 185, 194, 201, 202, 203, 206, 209, 213, 214, 215, 217, 219, 226, 237, 247, 255, 259, 262, 278, 298, 301, 302, 314, 327, 328, 343