Irregular table, read by rows, where row z = 2, 3, 4, ... lists pairs (y, x) such that x + y/z = concat(y, x)/z with 0 < y < z, gcd(y, z) = 1, and primitive x, cf. comments.

A383188

Irregular table, read by rows, where row z = 2, 3, 4, ... lists pairs (y, x) such that x + y/z = concat(y, x)/z with 0 < y < z, gcd(y, z) = 1, and primitive x, cf. comments.

Terms

    a(0) =1a(1) =9a(2) =2a(3) =9a(4) =1a(5) =3a(6) =3a(7) =9a(8) =4a(9) =9a(10) =5a(11) =9a(12) =2a(13) =3a(14) =4a(15) =6a(16) =6a(17) =9a(18) =1a(19) =142857a(20) =3a(21) =428571a(22) =5a(23) =714285a(24) =7a(25) =9a(26) =8a(27) =9a(28) =3a(29) =3

External references