A050516 Increments in arithmetic progression of at least 5 terms having the same value of phi in A050515.
210, 30, 30, 420, 630, 60, 60, 840, 30, 90, 90, 1050, 1260, 120, 120, 1470, 150, 1680, 150, 1890, 30, 60, 180, 180, 2100, 210, 2310, 210, 2520, 240, 2730, 240, 90, 2940, 270, 270, 3150, 300, 3360, 300, 3570, 330, 3780, 60, 330, 120, 360, 3990, 360, 4200
Offset: 1