A384773 - cp's OEIS frontend

A384773 a(1) = 1, a(2) = 1. For n > 2 if a(n-1) = k is a novel term, a(n) = a(n-1-k). Otherwise if a(n-1) is a repeat term a(n) = number of m; 1 <= m <= n-2 such that a(m) = a(n-1).

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

[1, 1, 1, 2, 1, 3, 1, 4, 2, 1, 5, 3, 1, 6, 4, 1, 7, 1, 8, 5, 1, 9, 1, 10, 6, 1, 11, 1, 12, 7, 1, 13, 8, 1, 14, 1, 15, 9, 1, 16, 10, 1, 17, 1, 18, 11, 1, 19, 12, 1, 20, 1, 21, 13, 1, 22, 1, 23, 14, 1, 24, 15, 1, 25, 1, 26, 16, 1, 27, 1, 28, 17, 1, 29, 18, 1, 30]

cp's OEIS Frontend

A384773 a(1) = 1, a(2) = 1. For n > 2 if a(n-1) = k is a novel term, a(n) = a(n-1-k). Otherwise if a(n-1) is a repeat term a(n) = number of m; 1 <= m <= n-2 such that a(m) = a(n-1).

Table of values

List of values

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

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

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