A379692 - cp's OEIS frontend

A379692 a(1) = 1; a(n) is the most recently occurring value not among the last k terms where k is the number of times a(n-1) has occurred; if no such value exists, a(n) is the smallest unused positive integer.

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

[1, 2, 1, 3, 1, 2, 3, 1, 4, 1, 5, 1, 2, 4, 1, 3, 2, 5, 3, 1, 6, 1, 7, 1, 4, 6, 1, 8, 1, 2, 4, 6, 1, 3, 8, 1, 5, 3, 6, 8, 5, 1, 7, 5, 6, 8, 1, 4, 7, 8, 6, 5, 3, 2, 4, 7, 5, 8, 6, 1, 9, 1, 10, 1, 11, 1, 12, 1, 13, 1, 14, 1, 15, 1, 16, 1, 17, 1, 18, 1, 3, 15, 1, 4]

cp's OEIS Frontend

A379692 a(1) = 1; a(n) is the most recently occurring value not among the last k terms where k is the number of times a(n-1) has occurred; if no such value exists, a(n) is the smallest unused positive integer.

Table of values

List of values

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

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

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