Positive integers n (with k digits) such that if a positive integer m with k+1 digits is divisible by n, then all the rotations of m are divisible by n.

A360423

Positive integers n (with k digits) such that if a positive integer m with k+1 digits is divisible by n, then all the rotations of m are divisible by n.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =27a(4) =37a(5) =101a(6) =303a(7) =909a(8) =2439a(9) =10101a(10) =10989a(11) =12987a(12) =15873a(13) =25641a(14) =27027a(15) =30303a(16) =37037a(17) =47619a(18) =76923a(19) =90909a(20) =1010101a(21) =1369863a(22) =3030303a(23) =9090909a(24) =12345679a(25) =27027027a(26) =37037037a(27) =101010101a(28) =243902439a(29) =303030303

External references