A380278 - cp's OEIS frontend

A380278 Lexicographically earliest infinite sequence of positive integers such that consecutive occurrences of k are separated by exactly k terms and each subsequence enclosed by consecutive equal values is distinct.

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	3
9	5
10	6
11	4
12	3
13	7
14	8
15	5
16	3
17	6
18	9
19	10
20	3
21	5
22	11
23	8
24	3
25	12
26	13
27	5
28	3
29	14
30	10
31	15
32	3
33	5
34	11
35	16
36	3
37	17
38	12
39	5
40	3
41	10
42	18
43	19
44	3
45	5
46	11
47	15
48	3
49	20
50	21
51	5
52	3
53	22
54	23
55	17
56	3
57	5
58	11
59	24
60	3
61	18
62	25
63	5
64	3
65	26
66	27
67	28
68	3
69	5
70	11
71	29
72	3
73	17
74	30
75	5
76	3
77	31

[1, 2, 1, 3, 1, 4, 1, 3, 5, 6, 4, 3, 7, 8, 5, 3, 6, 9, 10, 3, 5, 11, 8, 3, 12, 13, 5, 3, 14, 10, 15, 3, 5, 11, 16, 3, 17, 12, 5, 3, 10, 18, 19, 3, 5, 11, 15, 3, 20, 21, 5, 3, 22, 23, 17, 3, 5, 11, 24, 3, 18, 25, 5, 3, 26, 27, 28, 3, 5, 11, 29, 3, 17, 30, 5, 3, 31]

cp's OEIS Frontend

A380278 Lexicographically earliest infinite sequence of positive integers such that consecutive occurrences of k are separated by exactly k terms and each subsequence enclosed by consecutive equal values is distinct.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	3
9	5
10	6
11	4
12	3
13	7
14	8
15	5
16	3
17	6
18	9
19	10
20	3
21	5
22	11
23	8
24	3
25	12
26	13
27	5
28	3
29	14
30	10
31	15
32	3
33	5
34	11
35	16
36	3
37	17
38	12
39	5
40	3
41	10
42	18
43	19
44	3
45	5
46	11
47	15
48	3
49	20
50	21
51	5
52	3
53	22
54	23
55	17
56	3
57	5
58	11
59	24
60	3
61	18
62	25
63	5
64	3
65	26
66	27
67	28
68	3
69	5
70	11
71	29
72	3
73	17
74	30
75	5
76	3
77	31

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	3
9	5
10	6
11	4
12	3
13	7
14	8
15	5
16	3
17	6
18	9
19	10
20	3
21	5
22	11
23	8
24	3
25	12
26	13
27	5
28	3
29	14
30	10
31	15
32	3
33	5
34	11
35	16
36	3
37	17
38	12
39	5
40	3
41	10
42	18
43	19
44	3
45	5
46	11
47	15
48	3
49	20
50	21
51	5
52	3
53	22
54	23
55	17
56	3
57	5
58	11
59	24
60	3
61	18
62	25
63	5
64	3
65	26
66	27
67	28
68	3
69	5
70	11
71	29
72	3
73	17
74	30
75	5
76	3
77	31

n	a(n)
1	1
2	2
3	1
4	3
5	1
6	4
7	1
8	3
9	5
10	6
11	4
12	3
13	7
14	8
15	5
16	3
17	6
18	9
19	10
20	3
21	5
22	11
23	8
24	3
25	12
26	13
27	5
28	3
29	14
30	10
31	15
32	3
33	5
34	11
35	16
36	3
37	17
38	12
39	5
40	3
41	10
42	18
43	19
44	3
45	5
46	11
47	15
48	3
49	20
50	21
51	5
52	3
53	22
54	23
55	17
56	3
57	5
58	11
59	24
60	3
61	18
62	25
63	5
64	3
65	26
66	27
67	28
68	3
69	5
70	11
71	29
72	3
73	17
74	30
75	5
76	3
77	31