A375888 - cp's OEIS frontend

A375888 Rectangular array: row n shows all k such that n is the number of rises in the trajectory of k in the Collatz problem.

n	a(n)
0	1
1	2
2	5
3	4
4	10
5	3
6	8
7	20
8	6
9	17
10	16
11	21
12	12
13	34
14	11
15	32
16	40
17	13
18	35
19	22
20	7
21	64
22	42
23	24
24	68
25	23
26	14
27	9
28	128
29	80
30	26
31	69
32	44
33	15
34	18
35	25
36	256
37	84
38	48
39	70
40	45
41	28
42	19
43	49
44	33
45	512
46	85
47	52
48	75
49	46
50	29
51	36
52	50
53	65
54	43
55	1024
56	160
57	53
58	136
59	88
60	30
61	37
62	51
63	66
64	86
65	57

[1, 2, 5, 4, 10, 3, 8, 20, 6, 17, 16, 21, 12, 34, 11, 32, 40, 13, 35, 22, 7, 64, 42, 24, 68, 23, 14, 9, 128, 80, 26, 69, 44, 15, 18, 25, 256, 84, 48, 70, 45, 28, 19, 49, 33, 512, 85, 52, 75, 46, 29, 36, 50, 65, 43, 1024, 160, 53, 136, 88, 30, 37, 51, 66, 86, 57]

cp's OEIS Frontend

A375888 Rectangular array: row n shows all k such that n is the number of rises in the trajectory of k in the Collatz problem.

Table of values

List of values