A349876 - cp's OEIS frontend

A349876 If n is divisible by 3, a(n) = n; otherwise n = 3k + r with r in {1, 2} and a(n) = a(5k + r + 3). a(n) = -1 if no multiple of three will be ever reached by iterating A353314.

n	a(n)
0	0
1	9
2	6144
3	3
4	9
5	6144
6	6
7	75
8	15
9	9
10	6144
11	60
12	12
13	24
14	75
15	15
16	144
17	30
18	18
19	6144
20	60
21	21
22	39
23	69
24	24
25	75
26	45
27	27
28	84
29	144
30	30
31	54
32	159
33	33
34	6144
35	60
36	36
37	309
38	519
39	39
40	69
41	1560
42	42
43	210
44	75
45	45
46	225
47	135
48	48
49	84
50	144
51	51
52	150
53	90
54	54
55	159
56	450
57	57
58	99
59	6144
60	60
61	294
62	105
63	63

[0, 9, 6144, 3, 9, 6144, 6, 75, 15, 9, 6144, 60, 12, 24, 75, 15, 144, 30, 18, 6144, 60, 21, 39, 69, 24, 75, 45, 27, 84, 144, 30, 54, 159, 33, 6144, 60, 36, 309, 519, 39, 69, 1560, 42, 210, 75, 45, 225, 135, 48, 84, 144, 51, 150, 90, 54, 159, 450, 57, 99, 6144, 60, 294, 105, 63]

cp's OEIS Frontend

A349876 If n is divisible by 3, a(n) = n; otherwise n = 3k + r with r in {1, 2} and a(n) = a(5k + r + 3). a(n) = -1 if no multiple of three will be ever reached by iterating A353314.

Table of values

List of values