A366691 - cp's OEIS frontend

A366691 Lexicographically earliest sequence such that each set of terms enclosed by two equal values, excluding the endpoints, contains a distinct number of elements.

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

[1, 1, 2, 1, 3, 4, 2, 5, 6, 3, 7, 4, 8, 2, 9, 5, 10, 11, 6, 12, 3, 13, 14, 7, 15, 4, 16, 17, 8, 18, 2, 19, 20, 21, 9, 22, 5, 23, 24, 10, 25, 11, 26, 6, 27, 28, 12, 29, 30, 13, 31, 14, 32, 7, 33, 15, 34, 35, 36, 16, 37, 17, 38, 8, 39, 18, 40, 41, 19, 42, 43, 20]

cp's OEIS Frontend

A366691 Lexicographically earliest sequence such that each set of terms enclosed by two equal values, excluding the endpoints, contains a distinct number of elements.

Table of values

List of values

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

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

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