A307664 - cp's OEIS frontend

A307664 Lexicographically earliest sequence of positive terms, such that each value, say v, appears three times at indices k, k + v and k + 2*v for some k.

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

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

cp's OEIS Frontend

A307664 Lexicographically earliest sequence of positive terms, such that each value, say v, appears three times at indices k, k + v and k + 2*v for some k.

Table of values

List of values

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

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

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