A379730 - cp's OEIS frontend

A379730 a(1)=1. For n>1 if a(n-1) is a novel term a(n)=A083720(a(n-1)), else a(n) = k*a(n-1), where k(>1) is the number of times a(n-1) has occurred.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	4
8	1
9	4
10	8
11	1
12	5
13	6
14	1
15	6
16	12
17	1
18	7
19	30
20	1
21	8
22	16
23	1
24	9
25	2
26	6
27	18
28	1
29	10
30	3
31	6
32	24
33	1
34	11
35	210
36	1
37	12
38	24
39	48
40	1
41	13
42	2310
43	1
44	14
45	15
46	2
47	8
48	24
49	72
50	1
51	15
52	30
53	60
54	1
55	16
56	32
57	1
58	17
59	30030
60	1
61	18
62	36
63	1
64	19
65	510510
66	1
67	20
68	3
69	9
70	18
71	54
72	1
73	21

[1, 1, 2, 1, 3, 2, 4, 1, 4, 8, 1, 5, 6, 1, 6, 12, 1, 7, 30, 1, 8, 16, 1, 9, 2, 6, 18, 1, 10, 3, 6, 24, 1, 11, 210, 1, 12, 24, 48, 1, 13, 2310, 1, 14, 15, 2, 8, 24, 72, 1, 15, 30, 60, 1, 16, 32, 1, 17, 30030, 1, 18, 36, 1, 19, 510510, 1, 20, 3, 9, 18, 54, 1, 21]

cp's OEIS Frontend

A379730 a(1)=1. For n>1 if a(n-1) is a novel term a(n)=A083720(a(n-1)), else a(n) = k*a(n-1), where k(>1) is the number of times a(n-1) has occurred.

Table of values

List of values