A239084 - cp's OEIS frontend

A239084 The sequence S = a(1), a(2), ... is defined by a(1)=1, if d,e,f are consecutive digits then we do not have d < e <= f, and S is always extended with the smallest integer not yet present in S.

n	a(n)
1	1
2	2
3	10
4	3
5	11
6	4
7	12
8	13
9	14
10	15
11	16
12	5
13	6
14	17
15	18
16	7
17	8
18	19
19	20
20	9
21	21
22	30
23	31
24	32
25	22
26	23
27	24
28	25
29	26
30	27
31	28
32	29
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	40
41	41
42	42
43	43
44	50
45	51
46	52
47	53
48	54
49	44
50	45
51	46
52	47
53	48
54	49
55	55
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	70
67	71
68	72
69	73
70	74
71	75
72	76
73	66

[1, 2, 10, 3, 11, 4, 12, 13, 14, 15, 16, 5, 6, 17, 18, 7, 8, 19, 20, 9, 21, 30, 31, 32, 22, 23, 24, 25, 26, 27, 28, 29, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 50, 51, 52, 53, 54, 44, 45, 46, 47, 48, 49, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 70, 71, 72, 73, 74, 75, 76, 66]

cp's OEIS Frontend

A239084 The sequence S = a(1), a(2), ... is defined by a(1)=1, if d,e,f are consecutive digits then we do not have d < e <= f, and S is always extended with the smallest integer not yet present in S.

Table of values

List of values

n	a(n)
1	1
2	2
3	10
4	3
5	11
6	4
7	12
8	13
9	14
10	15
11	16
12	5
13	6
14	17
15	18
16	7
17	8
18	19
19	20
20	9
21	21
22	30
23	31
24	32
25	22
26	23
27	24
28	25
29	26
30	27
31	28
32	29
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	40
41	41
42	42
43	43
44	50
45	51
46	52
47	53
48	54
49	44
50	45
51	46
52	47
53	48
54	49
55	55
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	70
67	71
68	72
69	73
70	74
71	75
72	76
73	66

n	a(n)
1	1
2	2
3	10
4	3
5	11
6	4
7	12
8	13
9	14
10	15
11	16
12	5
13	6
14	17
15	18
16	7
17	8
18	19
19	20
20	9
21	21
22	30
23	31
24	32
25	22
26	23
27	24
28	25
29	26
30	27
31	28
32	29
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	40
41	41
42	42
43	43
44	50
45	51
46	52
47	53
48	54
49	44
50	45
51	46
52	47
53	48
54	49
55	55
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	70
67	71
68	72
69	73
70	74
71	75
72	76
73	66

n	a(n)
1	1
2	2
3	10
4	3
5	11
6	4
7	12
8	13
9	14
10	15
11	16
12	5
13	6
14	17
15	18
16	7
17	8
18	19
19	20
20	9
21	21
22	30
23	31
24	32
25	22
26	23
27	24
28	25
29	26
30	27
31	28
32	29
33	33
34	34
35	35
36	36
37	37
38	38
39	39
40	40
41	41
42	42
43	43
44	50
45	51
46	52
47	53
48	54
49	44
50	45
51	46
52	47
53	48
54	49
55	55
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	70
67	71
68	72
69	73
70	74
71	75
72	76
73	66