A050419 a(n) = n-th number k such that b(k)>b(k+1), where b=A050416.

7, 10, 12, 14, 16, 19, 21, 23, 25, 27, 29, 31, 32, 34, 35, 37, 39, 41, 43, 44, 46, 47, 52, 53, 55, 56, 60, 62, 64, 65, 68, 70, 74, 76, 78, 79, 80, 84, 87, 89, 90, 92, 94, 98, 101, 102, 105, 107, 109, 111, 112, 114, 115, 118, 121, 123