A253720 - cp's OEIS frontend

A253720 a(n) = length of row n in A253676 and A254068, assuming the 3x+1 (or Collatz) conjecture.

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

[1, 2, 5, 3, 4, 2, 6, 5, 7, 5, 18, 5, 6, 3, 8, 4, 7, 4, 19, 6, 5, 2, 7, 4, 20, 6, 8, 19, 3, 5, 16, 18, 21, 7, 15, 4, 20, 5, 9, 8, 17, 18, 10, 8, 8, 5, 10, 18, 21, 6, 3, 7, 9, 3, 5, 19, 11, 8, 14, 8, 6, 4, 10, 17, 22, 7]

cp's OEIS Frontend

A253720 a(n) = length of row n in A253676 and A254068, assuming the 3x+1 (or Collatz) conjecture.

Table of values

List of values

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

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

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