Numbers n such that sopf(phi(n)) = phi(sopf(n)), where sopf(x) = sum of the distinct prime factors of x.

A076531

Numbers n such that sopf(phi(n)) = phi(sopf(n)), where sopf(x) = sum of the distinct prime factors of x.

Terms

    a(0) =3a(1) =203a(2) =322a(3) =377a(4) =644a(5) =851a(6) =931a(7) =1166a(8) =1211a(9) =1288a(10) =1421a(11) =1666a(12) =1815a(13) =1862a(14) =2332a(15) =2576a(16) =3332a(17) =3724a(18) =4664a(19) =4830a(20) =5152a(21) =6401a(22) =6517a(23) =6664a(24) =7042a(25) =7241a(26) =7448a(27) =9075a(28) =9328a(29) =9555

External references