A165302 - cp's OEIS frontend

A165302 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 (and repeat).

n	a(n)
1	1
2	2
3	3
4	4
5	12
6	34
7	123
8	41
9	23
10	412
11	341
12	234
13	1234
14	12341
15	2341
16	23412
17	3412
18	34123
19	4123
20	41234
21	123412
22	341234
23	1234123
24	412341
25	234123
26	4123412
27	3412341
28	2341234
29	12341234
30	123412341
31	23412341
32	234123412
33	34123412
34	341234123
35	41234123
36	412341234

[1, 2, 3, 4, 12, 34, 123, 41, 23, 412, 341, 234, 1234, 12341, 2341, 23412, 3412, 34123, 4123, 41234, 123412, 341234, 1234123, 412341, 234123, 4123412, 3412341, 2341234, 12341234, 123412341, 23412341, 234123412, 34123412, 341234123, 41234123, 412341234]

cp's OEIS Frontend

A165302 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 (and repeat).

Table of values

List of values