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

A039776

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

Terms

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

External references