A289816 - cp's OEIS frontend

A289816 The second of a pair of coprime numbers whose factorizations depend on the ternary representation of n (See Comments for precise definition).

n	a(n)
0	1
1	1
2	2
3	1
4	1
5	2
6	3
7	3
8	6
9	1
10	1
11	2
12	1
13	1
14	2
15	3
16	3
17	6
18	4
19	5
20	10
21	4
22	5
23	10
24	12
25	15
26	30
27	1
28	1
29	2
30	1
31	1
32	2
33	3
34	3
35	6
36	1
37	1
38	2
39	1
40	1
41	2
42	3
43	3
44	6
45	4
46	5
47	10
48	4
49	5
50	10
51	12
52	15
53	30
54	5
55	7
56	14
57	5
58	7
59	14
60	15
61	21
62	42
63	5
64	7
65	14
66	5
67	7
68	14
69	15
70	21
71	42
72	20
73	35
74	70
75	20
76	35
77	70

[1, 1, 2, 1, 1, 2, 3, 3, 6, 1, 1, 2, 1, 1, 2, 3, 3, 6, 4, 5, 10, 4, 5, 10, 12, 15, 30, 1, 1, 2, 1, 1, 2, 3, 3, 6, 1, 1, 2, 1, 1, 2, 3, 3, 6, 4, 5, 10, 4, 5, 10, 12, 15, 30, 5, 7, 14, 5, 7, 14, 15, 21, 42, 5, 7, 14, 5, 7, 14, 15, 21, 42, 20, 35, 70, 20, 35, 70]

cp's OEIS Frontend

A289816 The second of a pair of coprime numbers whose factorizations depend on the ternary representation of n (See Comments for precise definition).

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	1
4	1
5	2
6	3
7	3
8	6
9	1
10	1
11	2
12	1
13	1
14	2
15	3
16	3
17	6
18	4
19	5
20	10
21	4
22	5
23	10
24	12
25	15
26	30
27	1
28	1
29	2
30	1
31	1
32	2
33	3
34	3
35	6
36	1
37	1
38	2
39	1
40	1
41	2
42	3
43	3
44	6
45	4
46	5
47	10
48	4
49	5
50	10
51	12
52	15
53	30
54	5
55	7
56	14
57	5
58	7
59	14
60	15
61	21
62	42
63	5
64	7
65	14
66	5
67	7
68	14
69	15
70	21
71	42
72	20
73	35
74	70
75	20
76	35
77	70

n	a(n)
0	1
1	1
2	2
3	1
4	1
5	2
6	3
7	3
8	6
9	1
10	1
11	2
12	1
13	1
14	2
15	3
16	3
17	6
18	4
19	5
20	10
21	4
22	5
23	10
24	12
25	15
26	30
27	1
28	1
29	2
30	1
31	1
32	2
33	3
34	3
35	6
36	1
37	1
38	2
39	1
40	1
41	2
42	3
43	3
44	6
45	4
46	5
47	10
48	4
49	5
50	10
51	12
52	15
53	30
54	5
55	7
56	14
57	5
58	7
59	14
60	15
61	21
62	42
63	5
64	7
65	14
66	5
67	7
68	14
69	15
70	21
71	42
72	20
73	35
74	70
75	20
76	35
77	70

n	a(n)
0	1
1	1
2	2
3	1
4	1
5	2
6	3
7	3
8	6
9	1
10	1
11	2
12	1
13	1
14	2
15	3
16	3
17	6
18	4
19	5
20	10
21	4
22	5
23	10
24	12
25	15
26	30
27	1
28	1
29	2
30	1
31	1
32	2
33	3
34	3
35	6
36	1
37	1
38	2
39	1
40	1
41	2
42	3
43	3
44	6
45	4
46	5
47	10
48	4
49	5
50	10
51	12
52	15
53	30
54	5
55	7
56	14
57	5
58	7
59	14
60	15
61	21
62	42
63	5
64	7
65	14
66	5
67	7
68	14
69	15
70	21
71	42
72	20
73	35
74	70
75	20
76	35
77	70