Number of new fractions m/n, where m is prime, (m,n)=1 and "new" means the value of mn has not occurred before.

A039775

Number of new fractions m/n, where m is prime, (m,n)=1 and "new" means the value of mn has not occurred before.

Terms

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

External references