A375206 - cp's OEIS frontend

A375206 T(n,k) for n >= 2, k < n is the distance of n and k in the Collatz graph, where T(n,k) is a triangle read by rows.

n	a(n)
2	1
3	7
4	6
5	2
6	1
7	5
8	5
9	4
10	2
11	3
12	8
13	7
14	1
15	6
16	3
17	16
18	15
19	11
20	14
21	11
22	12
23	3
24	2
25	4
26	1
27	2
28	5
29	13
30	19
31	18
32	14
33	17
34	14
35	15
36	3
37	16
38	6
39	5
40	1
41	4
42	1
43	2
44	10
45	3
46	13
47	14
48	13
49	9
50	12
51	9
52	10
53	2
54	11
55	5
56	8
57	9
58	8
59	2
60	7
61	4
62	1
63	13
64	6
65	16
66	3
67	11
68	9
69	8
70	4
71	7
72	4
73	5
74	7
75	6
76	10
77	3
78	5
79	6
80	17
81	16
82	12
83	15
84	12
85	13
86	1
87	14
88	2
89	11
90	3
91	14
92	8
93	17
94	16
95	12
96	15
97	12
98	13
99	17
100	14
101	20
102	11
103	15
104	14
105	10
106	18

[1, 7, 6, 2, 1, 5, 5, 4, 2, 3, 8, 7, 1, 6, 3, 16, 15, 11, 14, 11, 12, 3, 2, 4, 1, 2, 5, 13, 19, 18, 14, 17, 14, 15, 3, 16, 6, 5, 1, 4, 1, 2, 10, 3, 13, 14, 13, 9, 12, 9, 10, 2, 11, 5, 8, 9, 8, 2, 7, 4, 1, 13, 6, 16, 3, 11, 9, 8, 4, 7, 4, 5, 7, 6, 10, 3, 5, 6, 17, 16, 12, 15, 12, 13, 1, 14, 2, 11, 3, 14, 8, 17, 16, 12, 15, 12, 13, 17, 14, 20, 11, 15, 14, 10, 18]

cp's OEIS Frontend

A375206 T(n,k) for n >= 2, k < n is the distance of n and k in the Collatz graph, where T(n,k) is a triangle read by rows.

Table of values

List of values

n	a(n)
2	1
3	7
4	6
5	2
6	1
7	5
8	5
9	4
10	2
11	3
12	8
13	7
14	1
15	6
16	3
17	16
18	15
19	11
20	14
21	11
22	12
23	3
24	2
25	4
26	1
27	2
28	5
29	13
30	19
31	18
32	14
33	17
34	14
35	15
36	3
37	16
38	6
39	5
40	1
41	4
42	1
43	2
44	10
45	3
46	13
47	14
48	13
49	9
50	12
51	9
52	10
53	2
54	11
55	5
56	8
57	9
58	8
59	2
60	7
61	4
62	1
63	13
64	6
65	16
66	3
67	11
68	9
69	8
70	4
71	7
72	4
73	5
74	7
75	6
76	10
77	3
78	5
79	6
80	17
81	16
82	12
83	15
84	12
85	13
86	1
87	14
88	2
89	11
90	3
91	14
92	8
93	17
94	16
95	12
96	15
97	12
98	13
99	17
100	14
101	20
102	11
103	15
104	14
105	10
106	18

n	a(n)
2	1
3	7
4	6
5	2
6	1
7	5
8	5
9	4
10	2
11	3
12	8
13	7
14	1
15	6
16	3
17	16
18	15
19	11
20	14
21	11
22	12
23	3
24	2
25	4
26	1
27	2
28	5
29	13
30	19
31	18
32	14
33	17
34	14
35	15
36	3
37	16
38	6
39	5
40	1
41	4
42	1
43	2
44	10
45	3
46	13
47	14
48	13
49	9
50	12
51	9
52	10
53	2
54	11
55	5
56	8
57	9
58	8
59	2
60	7
61	4
62	1
63	13
64	6
65	16
66	3
67	11
68	9
69	8
70	4
71	7
72	4
73	5
74	7
75	6
76	10
77	3
78	5
79	6
80	17
81	16
82	12
83	15
84	12
85	13
86	1
87	14
88	2
89	11
90	3
91	14
92	8
93	17
94	16
95	12
96	15
97	12
98	13
99	17
100	14
101	20
102	11
103	15
104	14
105	10
106	18

n	a(n)
2	1
3	7
4	6
5	2
6	1
7	5
8	5
9	4
10	2
11	3
12	8
13	7
14	1
15	6
16	3
17	16
18	15
19	11
20	14
21	11
22	12
23	3
24	2
25	4
26	1
27	2
28	5
29	13
30	19
31	18
32	14
33	17
34	14
35	15
36	3
37	16
38	6
39	5
40	1
41	4
42	1
43	2
44	10
45	3
46	13
47	14
48	13
49	9
50	12
51	9
52	10
53	2
54	11
55	5
56	8
57	9
58	8
59	2
60	7
61	4
62	1
63	13
64	6
65	16
66	3
67	11
68	9
69	8
70	4
71	7
72	4
73	5
74	7
75	6
76	10
77	3
78	5
79	6
80	17
81	16
82	12
83	15
84	12
85	13
86	1
87	14
88	2
89	11
90	3
91	14
92	8
93	17
94	16
95	12
96	15
97	12
98	13
99	17
100	14
101	20
102	11
103	15
104	14
105	10
106	18