A299962 - cp's OEIS frontend

A299962 Square array T(n, k) read by antidiagonals upwards, n > 0 and k > 0: T(n, k) is the k-th positive number whose Collatz sequence contains n.

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	3
8	6
9	4
10	4
11	3
12	4
13	12
14	5
15	5
16	6
17	5
18	5
19	24
20	6
21	6
22	7
23	12
24	6
25	6
26	48
27	7
28	7
29	3
30	9
31	24
32	7
33	7
34	96
35	8
36	8
37	9
38	5
39	14
40	48
41	9
42	8
43	192
44	9
45	9
46	3
47	18
48	6
49	18
50	96
51	10
52	9
53	384
54	10
55	10
56	7
57	6
58	36
59	7
60	28
61	192
62	11
63	10
64	768
65	11
66	11
67	12
68	9
69	7
70	72
71	8
72	36
73	384
74	12
75	11

[1, 2, 2, 3, 3, 3, 3, 6, 4, 4, 3, 4, 12, 5, 5, 6, 5, 5, 24, 6, 6, 7, 12, 6, 6, 48, 7, 7, 3, 9, 24, 7, 7, 96, 8, 8, 9, 5, 14, 48, 9, 8, 192, 9, 9, 3, 18, 6, 18, 96, 10, 9, 384, 10, 10, 7, 6, 36, 7, 28, 192, 11, 10, 768, 11, 11, 12, 9, 7, 72, 8, 36, 384, 12, 11]

cp's OEIS Frontend

A299962 Square array T(n, k) read by antidiagonals upwards, n > 0 and k > 0: T(n, k) is the k-th positive number whose Collatz sequence contains n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	3
8	6
9	4
10	4
11	3
12	4
13	12
14	5
15	5
16	6
17	5
18	5
19	24
20	6
21	6
22	7
23	12
24	6
25	6
26	48
27	7
28	7
29	3
30	9
31	24
32	7
33	7
34	96
35	8
36	8
37	9
38	5
39	14
40	48
41	9
42	8
43	192
44	9
45	9
46	3
47	18
48	6
49	18
50	96
51	10
52	9
53	384
54	10
55	10
56	7
57	6
58	36
59	7
60	28
61	192
62	11
63	10
64	768
65	11
66	11
67	12
68	9
69	7
70	72
71	8
72	36
73	384
74	12
75	11

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	3
8	6
9	4
10	4
11	3
12	4
13	12
14	5
15	5
16	6
17	5
18	5
19	24
20	6
21	6
22	7
23	12
24	6
25	6
26	48
27	7
28	7
29	3
30	9
31	24
32	7
33	7
34	96
35	8
36	8
37	9
38	5
39	14
40	48
41	9
42	8
43	192
44	9
45	9
46	3
47	18
48	6
49	18
50	96
51	10
52	9
53	384
54	10
55	10
56	7
57	6
58	36
59	7
60	28
61	192
62	11
63	10
64	768
65	11
66	11
67	12
68	9
69	7
70	72
71	8
72	36
73	384
74	12
75	11

n	a(n)
1	1
2	2
3	2
4	3
5	3
6	3
7	3
8	6
9	4
10	4
11	3
12	4
13	12
14	5
15	5
16	6
17	5
18	5
19	24
20	6
21	6
22	7
23	12
24	6
25	6
26	48
27	7
28	7
29	3
30	9
31	24
32	7
33	7
34	96
35	8
36	8
37	9
38	5
39	14
40	48
41	9
42	8
43	192
44	9
45	9
46	3
47	18
48	6
49	18
50	96
51	10
52	9
53	384
54	10
55	10
56	7
57	6
58	36
59	7
60	28
61	192
62	11
63	10
64	768
65	11
66	11
67	12
68	9
69	7
70	72
71	8
72	36
73	384
74	12
75	11