Number of distinct values of factorials mod n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =4a(5) =3a(6) =5a(7) =4a(8) =5a(9) =5a(10) =6a(11) =4a(12) =10a(13) =6a(14) =5a(15) =5a(16) =12a(17) =5a(18) =12a(19) =5a(20) =6a(21) =7a(22) =17a(23) =4a(24) =8a(25) =11a(26) =8a(27) =7a(28) =19a(29) =5