A329221 - cp's OEIS frontend

A329221 a(0)=0. If a(n)=k is the first occurrence of k then a(n+1)=a(k), otherwise a(n+1)=n-m where m is the index of the greatest prior term.

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

[0, 0, 1, 0, 1, 2, 1, 1, 2, 3, 0, 1, 2, 3, 4, 1, 1, 2, 3, 4, 5, 2, 1, 2, 3, 4, 5, 6, 1, 1, 2, 3, 4, 5, 6, 7, 1, 1, 2, 3, 4, 5, 6, 7, 8, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 1, 2, 3, 4, 5, 6, 7, 8]

cp's OEIS Frontend

A329221 a(0)=0. If a(n)=k is the first occurrence of k then a(n+1)=a(k), otherwise a(n+1)=n-m where m is the index of the greatest prior term.

Table of values

List of values

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

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

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