A354236 - cp's OEIS frontend

A354236 A(n,k) is the n-th number m such that the Collatz (or 3x+1) trajectory starting at m contains exactly k odd integers; square array A(n,k), n>=1, k>=1, read by antidiagonals.

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

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

cp's OEIS Frontend

A354236 A(n,k) is the n-th number m such that the Collatz (or 3x+1) trajectory starting at m contains exactly k odd integers; square array A(n,k), n>=1, k>=1, read by antidiagonals.

Table of values

List of values