A358093 - cp's OEIS frontend

A358093 a(n) = n for 1 <= n <= 2; thereafter a(n) is the least unused m such that rad(m) = rad(rad(a(n-1)) + rad(a(n-2))), where rad(m) = A007947(m).

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	7
7	9
8	10
9	13
10	23
11	6
12	29
13	35
14	8
15	37
16	39
17	38
18	77
19	115
20	12
21	11
22	17
23	14
24	31
25	15
26	46
27	61
28	107
29	42
30	149
31	191
32	170
33	19
34	21
35	20
36	961
37	41
38	18
39	47
40	53
41	40
42	63
43	29791
44	26
45	57
46	83
47	70
48	51
49	121
50	62
51	73
52	45
53	22
54	1369
55	59
56	24
57	65
58	71
59	34
60	105
61	139
62	122
63	87
64	209
65	74

[1, 2, 3, 5, 4, 7, 9, 10, 13, 23, 6, 29, 35, 8, 37, 39, 38, 77, 115, 12, 11, 17, 14, 31, 15, 46, 61, 107, 42, 149, 191, 170, 19, 21, 20, 961, 41, 18, 47, 53, 40, 63, 29791, 26, 57, 83, 70, 51, 121, 62, 73, 45, 22, 1369, 59, 24, 65, 71, 34, 105, 139, 122, 87, 209, 74]

cp's OEIS Frontend

A358093 a(n) = n for 1 <= n <= 2; thereafter a(n) is the least unused m such that rad(m) = rad(rad(a(n-1)) + rad(a(n-2))), where rad(m) = A007947(m).

Table of values

List of values