A067739 Integers x such that for some integer y we have uphi(x)=uphi(y)=x-y, where uphi(n)=A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1).

2, 60, 390, 840, 2310, 2910, 4386, 6090, 10374, 11220, 13860, 21882, 33654, 51090, 82680, 114294, 140910, 157080, 159530, 168630, 203190, 272514, 282170, 318318, 332010, 362670, 367080, 393414, 403130, 411990, 434070, 492882, 499590, 585390