A329173 - cp's OEIS frontend

A329173 Smallest positive integer such that for any n no substring (subsequence without internal skips) of length n is repeated unless it contains the number n or higher.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	1
8	3
9	1
10	2
11	3
12	1
13	2
14	4
15	1
16	2
17	3
18	2
19	1
20	3
21	2
22	1
23	4
24	1
25	2
26	3
27	3
28	1
29	2
30	4
31	2
32	1
33	3
34	3
35	1
36	3
37	1
38	3
39	2
40	2
41	2
42	3
43	1
44	3
45	3
46	2
47	1
48	4
49	2
50	1
51	3
52	4
53	1
54	2
55	3
56	4
57	1
58	2
59	4
60	1
61	3
62	1
63	4
64	1
65	2
66	4
67	2
68	2
69	3
70	2
71	2
72	3
73	3
74	2
75	2
76	4
77	1
78	2
79	4
80	3
81	1
82	2
83	4
84	3
85	2
86	1
87	4

[1, 1, 2, 1, 2, 2, 1, 3, 1, 2, 3, 1, 2, 4, 1, 2, 3, 2, 1, 3, 2, 1, 4, 1, 2, 3, 3, 1, 2, 4, 2, 1, 3, 3, 1, 3, 1, 3, 2, 2, 2, 3, 1, 3, 3, 2, 1, 4, 2, 1, 3, 4, 1, 2, 3, 4, 1, 2, 4, 1, 3, 1, 4, 1, 2, 4, 2, 2, 3, 2, 2, 3, 3, 2, 2, 4, 1, 2, 4, 3, 1, 2, 4, 3, 2, 1, 4]

cp's OEIS Frontend

A329173 Smallest positive integer such that for any n no substring (subsequence without internal skips) of length n is repeated unless it contains the number n or higher.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	1
8	3
9	1
10	2
11	3
12	1
13	2
14	4
15	1
16	2
17	3
18	2
19	1
20	3
21	2
22	1
23	4
24	1
25	2
26	3
27	3
28	1
29	2
30	4
31	2
32	1
33	3
34	3
35	1
36	3
37	1
38	3
39	2
40	2
41	2
42	3
43	1
44	3
45	3
46	2
47	1
48	4
49	2
50	1
51	3
52	4
53	1
54	2
55	3
56	4
57	1
58	2
59	4
60	1
61	3
62	1
63	4
64	1
65	2
66	4
67	2
68	2
69	3
70	2
71	2
72	3
73	3
74	2
75	2
76	4
77	1
78	2
79	4
80	3
81	1
82	2
83	4
84	3
85	2
86	1
87	4

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	1
8	3
9	1
10	2
11	3
12	1
13	2
14	4
15	1
16	2
17	3
18	2
19	1
20	3
21	2
22	1
23	4
24	1
25	2
26	3
27	3
28	1
29	2
30	4
31	2
32	1
33	3
34	3
35	1
36	3
37	1
38	3
39	2
40	2
41	2
42	3
43	1
44	3
45	3
46	2
47	1
48	4
49	2
50	1
51	3
52	4
53	1
54	2
55	3
56	4
57	1
58	2
59	4
60	1
61	3
62	1
63	4
64	1
65	2
66	4
67	2
68	2
69	3
70	2
71	2
72	3
73	3
74	2
75	2
76	4
77	1
78	2
79	4
80	3
81	1
82	2
83	4
84	3
85	2
86	1
87	4

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	1
8	3
9	1
10	2
11	3
12	1
13	2
14	4
15	1
16	2
17	3
18	2
19	1
20	3
21	2
22	1
23	4
24	1
25	2
26	3
27	3
28	1
29	2
30	4
31	2
32	1
33	3
34	3
35	1
36	3
37	1
38	3
39	2
40	2
41	2
42	3
43	1
44	3
45	3
46	2
47	1
48	4
49	2
50	1
51	3
52	4
53	1
54	2
55	3
56	4
57	1
58	2
59	4
60	1
61	3
62	1
63	4
64	1
65	2
66	4
67	2
68	2
69	3
70	2
71	2
72	3
73	3
74	2
75	2
76	4
77	1
78	2
79	4
80	3
81	1
82	2
83	4
84	3
85	2
86	1
87	4