A317549 - cp's OEIS frontend

A317549 Lexicographically first sequence of different terms, starting with a(1) = 0 and showing a 2-step roller coaster of digits (see the Comments section).

n	a(n)
1	0
2	1
3	2
4	10
5	3
6	4
7	20
8	5
9	6
10	21
11	7
12	8
13	30
14	12
15	101
16	9
17	31
18	23
19	102
20	32
21	13
22	42
23	14
24	52
25	15
26	62
27	16
28	72
29	17
30	82
31	18
32	92
33	123
34	103
35	43
36	24
37	53
38	25
39	63
40	26
41	73
42	27
43	83
44	28
45	93
46	124
47	104
48	54
49	34
50	64
51	35
52	65
53	36
54	74
55	37
56	84
57	38
58	94
59	125
60	40
61	19
62	41
63	29
64	50
65	39
66	51
67	45
68	105
69	75
70	46
71	76
72	47
73	85
74	48
75	95
76	126
77	106
78	86
79	56
80	87
81	57
82	96
83	58
84	97

[0, 1, 2, 10, 3, 4, 20, 5, 6, 21, 7, 8, 30, 12, 101, 9, 31, 23, 102, 32, 13, 42, 14, 52, 15, 62, 16, 72, 17, 82, 18, 92, 123, 103, 43, 24, 53, 25, 63, 26, 73, 27, 83, 28, 93, 124, 104, 54, 34, 64, 35, 65, 36, 74, 37, 84, 38, 94, 125, 40, 19, 41, 29, 50, 39, 51, 45, 105, 75, 46, 76, 47, 85, 48, 95, 126, 106, 86, 56, 87, 57, 96, 58, 97]

cp's OEIS Frontend

A317549 Lexicographically first sequence of different terms, starting with a(1) = 0 and showing a 2-step roller coaster of digits (see the Comments section).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	10
5	3
6	4
7	20
8	5
9	6
10	21
11	7
12	8
13	30
14	12
15	101
16	9
17	31
18	23
19	102
20	32
21	13
22	42
23	14
24	52
25	15
26	62
27	16
28	72
29	17
30	82
31	18
32	92
33	123
34	103
35	43
36	24
37	53
38	25
39	63
40	26
41	73
42	27
43	83
44	28
45	93
46	124
47	104
48	54
49	34
50	64
51	35
52	65
53	36
54	74
55	37
56	84
57	38
58	94
59	125
60	40
61	19
62	41
63	29
64	50
65	39
66	51
67	45
68	105
69	75
70	46
71	76
72	47
73	85
74	48
75	95
76	126
77	106
78	86
79	56
80	87
81	57
82	96
83	58
84	97

n	a(n)
1	0
2	1
3	2
4	10
5	3
6	4
7	20
8	5
9	6
10	21
11	7
12	8
13	30
14	12
15	101
16	9
17	31
18	23
19	102
20	32
21	13
22	42
23	14
24	52
25	15
26	62
27	16
28	72
29	17
30	82
31	18
32	92
33	123
34	103
35	43
36	24
37	53
38	25
39	63
40	26
41	73
42	27
43	83
44	28
45	93
46	124
47	104
48	54
49	34
50	64
51	35
52	65
53	36
54	74
55	37
56	84
57	38
58	94
59	125
60	40
61	19
62	41
63	29
64	50
65	39
66	51
67	45
68	105
69	75
70	46
71	76
72	47
73	85
74	48
75	95
76	126
77	106
78	86
79	56
80	87
81	57
82	96
83	58
84	97

n	a(n)
1	0
2	1
3	2
4	10
5	3
6	4
7	20
8	5
9	6
10	21
11	7
12	8
13	30
14	12
15	101
16	9
17	31
18	23
19	102
20	32
21	13
22	42
23	14
24	52
25	15
26	62
27	16
28	72
29	17
30	82
31	18
32	92
33	123
34	103
35	43
36	24
37	53
38	25
39	63
40	26
41	73
42	27
43	83
44	28
45	93
46	124
47	104
48	54
49	34
50	64
51	35
52	65
53	36
54	74
55	37
56	84
57	38
58	94
59	125
60	40
61	19
62	41
63	29
64	50
65	39
66	51
67	45
68	105
69	75
70	46
71	76
72	47
73	85
74	48
75	95
76	126
77	106
78	86
79	56
80	87
81	57
82	96
83	58
84	97