A358402 - cp's OEIS frontend

A358402 a(1) = 0; for n > 1, let a(n-1) = m; if a(n-1) is the first occurrence of m then a(n) = 0, but if there is a k < n-1 with a(k) = m, a(n) is the minimum of n-1-k and j, where a(j) is the first occurrence of m in the sequence.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	3
10	0
11	1
12	3
13	3
14	1
15	3
16	2
17	6
18	0
19	1
20	3
21	5
22	0
23	1
24	3
25	4
26	0
27	1
28	3
29	4
30	4
31	1
32	3
33	4
34	3
35	2
36	6
37	17
38	0
39	1
40	3
41	6
42	5
43	21
44	0
45	1
46	3
47	6
48	6
49	1
50	3
51	4
52	18
53	0
54	1
55	3
56	5
57	14
58	0
59	1
60	3
61	5
62	5
63	1
64	3
65	4
66	14
67	9
68	0
69	1
70	3
71	6
72	17
73	35
74	0
75	1
76	3
77	6
78	6
79	1
80	3
81	4
82	16
83	0
84	1
85	3
86	5
87	21
88	43
89	0
90	1
91	3
92	6
93	14
94	27
95	0
96	1

[0, 0, 1, 0, 1, 2, 0, 1, 3, 0, 1, 3, 3, 1, 3, 2, 6, 0, 1, 3, 5, 0, 1, 3, 4, 0, 1, 3, 4, 4, 1, 3, 4, 3, 2, 6, 17, 0, 1, 3, 6, 5, 21, 0, 1, 3, 6, 6, 1, 3, 4, 18, 0, 1, 3, 5, 14, 0, 1, 3, 5, 5, 1, 3, 4, 14, 9, 0, 1, 3, 6, 17, 35, 0, 1, 3, 6, 6, 1, 3, 4, 16, 0, 1, 3, 5, 21, 43, 0, 1, 3, 6, 14, 27, 0, 1]

cp's OEIS Frontend

A358402 a(1) = 0; for n > 1, let a(n-1) = m; if a(n-1) is the first occurrence of m then a(n) = 0, but if there is a k < n-1 with a(k) = m, a(n) is the minimum of n-1-k and j, where a(j) is the first occurrence of m in the sequence.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	3
10	0
11	1
12	3
13	3
14	1
15	3
16	2
17	6
18	0
19	1
20	3
21	5
22	0
23	1
24	3
25	4
26	0
27	1
28	3
29	4
30	4
31	1
32	3
33	4
34	3
35	2
36	6
37	17
38	0
39	1
40	3
41	6
42	5
43	21
44	0
45	1
46	3
47	6
48	6
49	1
50	3
51	4
52	18
53	0
54	1
55	3
56	5
57	14
58	0
59	1
60	3
61	5
62	5
63	1
64	3
65	4
66	14
67	9
68	0
69	1
70	3
71	6
72	17
73	35
74	0
75	1
76	3
77	6
78	6
79	1
80	3
81	4
82	16
83	0
84	1
85	3
86	5
87	21
88	43
89	0
90	1
91	3
92	6
93	14
94	27
95	0
96	1

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	3
10	0
11	1
12	3
13	3
14	1
15	3
16	2
17	6
18	0
19	1
20	3
21	5
22	0
23	1
24	3
25	4
26	0
27	1
28	3
29	4
30	4
31	1
32	3
33	4
34	3
35	2
36	6
37	17
38	0
39	1
40	3
41	6
42	5
43	21
44	0
45	1
46	3
47	6
48	6
49	1
50	3
51	4
52	18
53	0
54	1
55	3
56	5
57	14
58	0
59	1
60	3
61	5
62	5
63	1
64	3
65	4
66	14
67	9
68	0
69	1
70	3
71	6
72	17
73	35
74	0
75	1
76	3
77	6
78	6
79	1
80	3
81	4
82	16
83	0
84	1
85	3
86	5
87	21
88	43
89	0
90	1
91	3
92	6
93	14
94	27
95	0
96	1

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	3
10	0
11	1
12	3
13	3
14	1
15	3
16	2
17	6
18	0
19	1
20	3
21	5
22	0
23	1
24	3
25	4
26	0
27	1
28	3
29	4
30	4
31	1
32	3
33	4
34	3
35	2
36	6
37	17
38	0
39	1
40	3
41	6
42	5
43	21
44	0
45	1
46	3
47	6
48	6
49	1
50	3
51	4
52	18
53	0
54	1
55	3
56	5
57	14
58	0
59	1
60	3
61	5
62	5
63	1
64	3
65	4
66	14
67	9
68	0
69	1
70	3
71	6
72	17
73	35
74	0
75	1
76	3
77	6
78	6
79	1
80	3
81	4
82	16
83	0
84	1
85	3
86	5
87	21
88	43
89	0
90	1
91	3
92	6
93	14
94	27
95	0
96	1