A050517 Value of phi in arithmetic progression of at least 5 terms having the same value of phi in A050515.
80640, 146880, 155520, 161280, 241920, 293760, 311040, 322560, 429120, 440640, 466560, 403200, 483840, 587520, 622080, 564480, 734400, 645120, 777600, 725760, 852480, 858240, 881280, 933120, 806400, 881280, 806400, 933120, 967680
Offset: 1