A302504 - OEIS

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A302504 as a simple table

n	a(n)
1	0
2	1
3	2
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	12
12	34
13	56
14	78
15	91
16	23
17	45
18	67
19	80
20	123
21	456
22	780
23	1234
24	567
25	89
26	12345
27	678
28	912
29	345
30	6780
31	123456
32	789
33	1234567
34	801
35	234
36	5678
37	9123
38	4567
39	891
40	2345
41	6789
42	12345678
43	91234
44	56780
45	123456780
46	123456789

[0,1,2,3,4,5,6,7,8,9,12,34,56,78,91,23,45,67,80, 123,456,780,1234,567,89,12345,678,912,345,6780, 123456,789,1234567,801,234,5678,9123,4567,891, 2345,6789,12345678,91234,56780,123456780, 123456789]