a(n) is the smallest number not already in the sequence, such that the concatenation of all a(n) displays the periodic digit string 1, 2, 3, 4, 5, 6 (and repeat).

A165304

a(n) is the smallest number not already in the sequence, such that the concatenation of all a(n) displays the periodic digit string 1, 2, 3, 4, 5, 6 (and repeat).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =12a(7) =34a(8) =56a(9) =123a(10) =45a(11) =61a(12) =23a(13) =456a(14) =1234a(15) =561a(16) =234a(17) =5612a(18) =345a(19) =612a(20) =3456a(21) =12345a(22) =6123a(23) =4561a(24) =2345a(25) =61234a(26) =56123a(27) =45612a(28) =34561a(29) =23456

External references