A383340 - cp's OEIS frontend

A383340 a(1)=1; thereafter if a(n-1) is a first occurrence, then a(n) is the number of first occurrences in the sequence thus far. Otherwise, a(n) is the number of terms that are the same number of distinct values away from their previous last occurrence as a(n-1).

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

[1, 1, 1, 2, 1, 1, 3, 2, 1, 2, 2, 4, 2, 3, 1, 2, 3, 4, 3, 4, 5, 1, 1, 5, 6, 1, 5, 6, 7, 1, 4, 2, 1, 8, 2, 9, 3, 1, 3, 7, 2, 4, 3, 5, 2, 6, 3, 7, 1, 4, 5, 6, 2, 7, 3, 8, 4, 9, 5, 1, 6, 7, 2, 8, 3, 9, 4, 10, 1, 11, 2, 5, 1, 8, 12, 3, 1, 9, 2, 10, 13, 3, 4, 2, 5, 3]

cp's OEIS Frontend

A383340 a(1)=1; thereafter if a(n-1) is a first occurrence, then a(n) is the number of first occurrences in the sequence thus far. Otherwise, a(n) is the number of terms that are the same number of distinct values away from their previous last occurrence as a(n-1).

Table of values

List of values

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

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

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