A087225 - cp's OEIS frontend

A087225 Position of the largest peak value in Collatz (3x+1) trajectory.

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	5
7	6
8	1
9	9
10	3
11	4
12	6
13	2
14	7
15	8
16	1
17	2
18	10
19	4
20	1
21	2
22	5
23	6
24	1
25	7
26	3
27	78
28	8
29	2
30	9
31	73
32	1
33	2
34	3
35	4
36	11
37	2
38	5
39	11
40	1
41	76
42	3
43	4
44	6
45	2
46	7
47	71
48	1
49	2
50	8
51	4
52	1
53	2
54	79
55	79
56	1
57	7
58	3
59	9
60	10
61	2
62	74
63	74
64	1
65	2
66	3
67	4
68	1
69	2
70	5
71	69
72	1
73	82
74	3
75	4
76	6
77	2
78	12
79	8
80	1
81	2
82	77
83	77

[1, 1, 4, 1, 2, 5, 6, 1, 9, 3, 4, 6, 2, 7, 8, 1, 2, 10, 4, 1, 2, 5, 6, 1, 7, 3, 78, 8, 2, 9, 73, 1, 2, 3, 4, 11, 2, 5, 11, 1, 76, 3, 4, 6, 2, 7, 71, 1, 2, 8, 4, 1, 2, 79, 79, 1, 7, 3, 9, 10, 2, 74, 74, 1, 2, 3, 4, 1, 2, 5, 69, 1, 82, 3, 4, 6, 2, 12, 8, 1, 2, 77, 77]

cp's OEIS Frontend

A087225 Position of the largest peak value in Collatz (3x+1) trajectory.

Table of values

List of values

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	5
7	6
8	1
9	9
10	3
11	4
12	6
13	2
14	7
15	8
16	1
17	2
18	10
19	4
20	1
21	2
22	5
23	6
24	1
25	7
26	3
27	78
28	8
29	2
30	9
31	73
32	1
33	2
34	3
35	4
36	11
37	2
38	5
39	11
40	1
41	76
42	3
43	4
44	6
45	2
46	7
47	71
48	1
49	2
50	8
51	4
52	1
53	2
54	79
55	79
56	1
57	7
58	3
59	9
60	10
61	2
62	74
63	74
64	1
65	2
66	3
67	4
68	1
69	2
70	5
71	69
72	1
73	82
74	3
75	4
76	6
77	2
78	12
79	8
80	1
81	2
82	77
83	77

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	5
7	6
8	1
9	9
10	3
11	4
12	6
13	2
14	7
15	8
16	1
17	2
18	10
19	4
20	1
21	2
22	5
23	6
24	1
25	7
26	3
27	78
28	8
29	2
30	9
31	73
32	1
33	2
34	3
35	4
36	11
37	2
38	5
39	11
40	1
41	76
42	3
43	4
44	6
45	2
46	7
47	71
48	1
49	2
50	8
51	4
52	1
53	2
54	79
55	79
56	1
57	7
58	3
59	9
60	10
61	2
62	74
63	74
64	1
65	2
66	3
67	4
68	1
69	2
70	5
71	69
72	1
73	82
74	3
75	4
76	6
77	2
78	12
79	8
80	1
81	2
82	77
83	77

n	a(n)
1	1
2	1
3	4
4	1
5	2
6	5
7	6
8	1
9	9
10	3
11	4
12	6
13	2
14	7
15	8
16	1
17	2
18	10
19	4
20	1
21	2
22	5
23	6
24	1
25	7
26	3
27	78
28	8
29	2
30	9
31	73
32	1
33	2
34	3
35	4
36	11
37	2
38	5
39	11
40	1
41	76
42	3
43	4
44	6
45	2
46	7
47	71
48	1
49	2
50	8
51	4
52	1
53	2
54	79
55	79
56	1
57	7
58	3
59	9
60	10
61	2
62	74
63	74
64	1
65	2
66	3
67	4
68	1
69	2
70	5
71	69
72	1
73	82
74	3
75	4
76	6
77	2
78	12
79	8
80	1
81	2
82	77
83	77