A375955 - cp's OEIS frontend

A375955 T(n,k) for n >= 1, k <= n is the maximum value in the intersection of the Collatz trajectories of n and k, where a trajectory ends when it reaches 1. T(n,k) is a triangle read by rows.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	16
7	1
8	2
9	4
10	4
11	1
12	2
13	16
14	4
15	16
16	1
17	2
18	16
19	4
20	16
21	16
22	1
23	2
24	16
25	4
26	16
27	16
28	52
29	1
30	2
31	8
32	4
33	8
34	8
35	8
36	8
37	1
38	2
39	16
40	4
41	16
42	16
43	52
44	8
45	52
46	1
47	2
48	16
49	4
50	16
51	16
52	16
53	8
54	16
55	16
56	1
57	2
58	16
59	4
60	16
61	16
62	52
63	8
64	52
65	16
66	52
67	1
68	2
69	16
70	4
71	16
72	16
73	16
74	8
75	16
76	16
77	16
78	16

[1, 1, 2, 1, 2, 16, 1, 2, 4, 4, 1, 2, 16, 4, 16, 1, 2, 16, 4, 16, 16, 1, 2, 16, 4, 16, 16, 52, 1, 2, 8, 4, 8, 8, 8, 8, 1, 2, 16, 4, 16, 16, 52, 8, 52, 1, 2, 16, 4, 16, 16, 16, 8, 16, 16, 1, 2, 16, 4, 16, 16, 52, 8, 52, 16, 52, 1, 2, 16, 4, 16, 16, 16, 8, 16, 16, 16, 16]

cp's OEIS Frontend

A375955 T(n,k) for n >= 1, k <= n is the maximum value in the intersection of the Collatz trajectories of n and k, where a trajectory ends when it reaches 1. T(n,k) is a triangle read by rows.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	16
7	1
8	2
9	4
10	4
11	1
12	2
13	16
14	4
15	16
16	1
17	2
18	16
19	4
20	16
21	16
22	1
23	2
24	16
25	4
26	16
27	16
28	52
29	1
30	2
31	8
32	4
33	8
34	8
35	8
36	8
37	1
38	2
39	16
40	4
41	16
42	16
43	52
44	8
45	52
46	1
47	2
48	16
49	4
50	16
51	16
52	16
53	8
54	16
55	16
56	1
57	2
58	16
59	4
60	16
61	16
62	52
63	8
64	52
65	16
66	52
67	1
68	2
69	16
70	4
71	16
72	16
73	16
74	8
75	16
76	16
77	16
78	16

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	16
7	1
8	2
9	4
10	4
11	1
12	2
13	16
14	4
15	16
16	1
17	2
18	16
19	4
20	16
21	16
22	1
23	2
24	16
25	4
26	16
27	16
28	52
29	1
30	2
31	8
32	4
33	8
34	8
35	8
36	8
37	1
38	2
39	16
40	4
41	16
42	16
43	52
44	8
45	52
46	1
47	2
48	16
49	4
50	16
51	16
52	16
53	8
54	16
55	16
56	1
57	2
58	16
59	4
60	16
61	16
62	52
63	8
64	52
65	16
66	52
67	1
68	2
69	16
70	4
71	16
72	16
73	16
74	8
75	16
76	16
77	16
78	16

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	16
7	1
8	2
9	4
10	4
11	1
12	2
13	16
14	4
15	16
16	1
17	2
18	16
19	4
20	16
21	16
22	1
23	2
24	16
25	4
26	16
27	16
28	52
29	1
30	2
31	8
32	4
33	8
34	8
35	8
36	8
37	1
38	2
39	16
40	4
41	16
42	16
43	52
44	8
45	52
46	1
47	2
48	16
49	4
50	16
51	16
52	16
53	8
54	16
55	16
56	1
57	2
58	16
59	4
60	16
61	16
62	52
63	8
64	52
65	16
66	52
67	1
68	2
69	16
70	4
71	16
72	16
73	16
74	8
75	16
76	16
77	16
78	16