A239235 - cp's OEIS frontend

A239235 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	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	1
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	101
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	102
35	34
36	35
37	36
38	37
39	38
40	39
41	40
42	41
43	42
44	43
45	44
46	103
47	45
48	46
49	47
50	48
51	49
52	50
53	51
54	52
55	53
56	54
57	55
58	104
59	56
60	57
61	58
62	59
63	60
64	61
65	62
66	63
67	64

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 101, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 102, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 103, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 104, 56, 57, 58, 59, 60, 61, 62, 63, 64]

cp's OEIS Frontend

A239235 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	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	1
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	101
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	102
35	34
36	35
37	36
38	37
39	38
40	39
41	40
42	41
43	42
44	43
45	44
46	103
47	45
48	46
49	47
50	48
51	49
52	50
53	51
54	52
55	53
56	54
57	55
58	104
59	56
60	57
61	58
62	59
63	60
64	61
65	62
66	63
67	64

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	1
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	101
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	102
35	34
36	35
37	36
38	37
39	38
40	39
41	40
42	41
43	42
44	43
45	44
46	103
47	45
48	46
49	47
50	48
51	49
52	50
53	51
54	52
55	53
56	54
57	55
58	104
59	56
60	57
61	58
62	59
63	60
64	61
65	62
66	63
67	64

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	12
12	1
13	14
14	15
15	16
16	17
17	18
18	19
19	20
20	21
21	22
22	101
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	102
35	34
36	35
37	36
38	37
39	38
40	39
41	40
42	41
43	42
44	43
45	44
46	103
47	45
48	46
49	47
50	48
51	49
52	50
53	51
54	52
55	53
56	54
57	55
58	104
59	56
60	57
61	58
62	59
63	60
64	61
65	62
66	63
67	64