A030746 Numbers n such that s(n)=4, where s=A030737.

6, 7, 18, 19, 38, 48, 50, 65, 82, 83, 123, 148, 173, 175, 201, 204, 237, 262, 265, 272, 291, 294, 302, 306, 341, 349, 396, 435, 437, 445, 476, 489, 493, 498, 545, 548, 553, 555, 606, 612, 667, 726, 733, 795, 804, 867, 873, 877