A378381 - cp's OEIS frontend

A378381 Lexicographically earliest sequence such that each set of terms enclosed by two equal values, including the endpoints, contains a distinct number of elements.

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

[1, 1, 2, 3, 2, 4, 3, 5, 6, 4, 7, 3, 8, 9, 5, 10, 6, 11, 12, 7, 13, 3, 14, 15, 16, 8, 17, 9, 18, 5, 19, 20, 10, 21, 6, 22, 23, 11, 24, 12, 25, 26, 13, 27, 3, 28, 29, 30, 31, 14, 32, 15, 33, 16, 34, 8, 35, 36, 17, 37, 9, 38, 39, 18, 40, 5, 41, 42, 43, 19, 44, 20, 45]

cp's OEIS Frontend

A378381 Lexicographically earliest sequence such that each set of terms enclosed by two equal values, including the endpoints, contains a distinct number of elements.

Table of values

List of values

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

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

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