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 (and repeat).
A165301
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 (and repeat).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =12a(4) =31a(5) =23a(6) =123a(7) =1231a(8) =231a(9) =2312a(10) =312a(11) =3123a(12) =12312a(13) =31231a(14) =23123a(15) =123123a(16) =1231231a(17) =231231a(18) =2312312a(19) =312312a(20) =3123123a(21) =12312312a(22) =31231231a(23) =23123123a(24) =123123123a(25) =1231231231a(26) =231231231a(27) =2312312312a(28) =312312312a(29) =3123123123
External references
- oeis: A165301