Numbers k such that the number of divisors of k^2 equals the number of divisors of phi(k), where phi is the Euler totient function.
A363059
Numbers k such that the number of divisors of k^2 equals the number of divisors of phi(k), where phi is the Euler totient function.
Terms
- a(0) =1a(1) =5a(2) =57a(3) =74a(4) =202a(5) =292a(6) =394a(7) =514a(8) =652a(9) =1354a(10) =2114a(11) =2125a(12) =3145a(13) =3208a(14) =3395a(15) =3723a(16) =3783a(17) =4053a(18) =4401a(19) =5018a(20) =5225a(21) =5298a(22) =5425a(23) =5770a(24) =6039a(25) =6363a(26) =6795a(27) =6918a(28) =7564a(29) =7667
External references
- oeis: A363059