Number of new fractions m/n < 1, where (m,n)=1 and "new" means the value of m*n has not occurred before.
A014665
Number of new fractions m/n < 1, where (m,n)=1 and "new" means the value of m*n has not occurred before.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =1a(6) =6a(7) =4a(8) =6a(9) =2a(10) =10a(11) =3a(12) =12a(13) =3a(14) =5a(15) =8a(16) =16a(17) =3a(18) =18a(19) =6a(20) =7a(21) =5a(22) =22a(23) =5a(24) =20a(25) =6a(26) =18a(27) =8a(28) =28a(29) =4
External references
- oeis: A014665