a(1) = 1; for n > 1, a(n) > a(n-1) is the smallest number such that the concatenation a(1)a(2)a(3)... forms a cyclic concatenation of 123456789 (of nonzero digits).
A081549
a(1) = 1; for n > 1, a(n) > a(n-1) is the smallest number such that the concatenation a(1)a(2)a(3)... forms a cyclic concatenation of 123456789 (of nonzero digits).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =12a(10) =34a(11) =56a(12) =78a(13) =91a(14) =234a(15) =567a(16) =891a(17) =2345a(18) =6789a(19) =12345a(20) =67891a(21) =234567a(22) =891234a(23) =5678912a(24) =34567891a(25) =234567891a(26) =2345678912a(27) =3456789123a(28) =4567891234a(29) =5678912345
External references
- oeis: A081549