A046205 - cp's OEIS frontend

A046205 In Leibniz's Harmonic Triangle, write numerator first and then denominator of each element.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	6
11	1
12	3
13	1
14	4
15	1
16	12
17	1
18	12
19	1
20	4
21	1
22	5
23	1
24	20
25	1
26	30
27	1
28	20
29	1
30	5
31	1
32	6
33	1
34	30
35	1
36	60
37	1
38	60
39	1
40	30
41	1
42	6
43	1
44	7
45	1
46	42
47	1
48	105
49	1
50	140
51	1
52	105
53	1
54	42
55	1
56	7
57	1
58	8
59	1
60	56
61	1
62	168
63	1
64	280
65	1
66	280
67	1
68	168
69	1
70	56
71	1
72	8
73	1
74	9
75	1
76	72
77	1
78	252
79	1
80	504
81	1
82	630
83	1
84	504
85	1

[1, 1, 1, 2, 1, 2, 1, 3, 1, 6, 1, 3, 1, 4, 1, 12, 1, 12, 1, 4, 1, 5, 1, 20, 1, 30, 1, 20, 1, 5, 1, 6, 1, 30, 1, 60, 1, 60, 1, 30, 1, 6, 1, 7, 1, 42, 1, 105, 1, 140, 1, 105, 1, 42, 1, 7, 1, 8, 1, 56, 1, 168, 1, 280, 1, 280, 1, 168, 1, 56, 1, 8, 1, 9, 1, 72, 1, 252, 1, 504, 1, 630, 1, 504, 1]

cp's OEIS Frontend

A046205 In Leibniz's Harmonic Triangle, write numerator first and then denominator of each element.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	6
11	1
12	3
13	1
14	4
15	1
16	12
17	1
18	12
19	1
20	4
21	1
22	5
23	1
24	20
25	1
26	30
27	1
28	20
29	1
30	5
31	1
32	6
33	1
34	30
35	1
36	60
37	1
38	60
39	1
40	30
41	1
42	6
43	1
44	7
45	1
46	42
47	1
48	105
49	1
50	140
51	1
52	105
53	1
54	42
55	1
56	7
57	1
58	8
59	1
60	56
61	1
62	168
63	1
64	280
65	1
66	280
67	1
68	168
69	1
70	56
71	1
72	8
73	1
74	9
75	1
76	72
77	1
78	252
79	1
80	504
81	1
82	630
83	1
84	504
85	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	6
11	1
12	3
13	1
14	4
15	1
16	12
17	1
18	12
19	1
20	4
21	1
22	5
23	1
24	20
25	1
26	30
27	1
28	20
29	1
30	5
31	1
32	6
33	1
34	30
35	1
36	60
37	1
38	60
39	1
40	30
41	1
42	6
43	1
44	7
45	1
46	42
47	1
48	105
49	1
50	140
51	1
52	105
53	1
54	42
55	1
56	7
57	1
58	8
59	1
60	56
61	1
62	168
63	1
64	280
65	1
66	280
67	1
68	168
69	1
70	56
71	1
72	8
73	1
74	9
75	1
76	72
77	1
78	252
79	1
80	504
81	1
82	630
83	1
84	504
85	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	1
8	3
9	1
10	6
11	1
12	3
13	1
14	4
15	1
16	12
17	1
18	12
19	1
20	4
21	1
22	5
23	1
24	20
25	1
26	30
27	1
28	20
29	1
30	5
31	1
32	6
33	1
34	30
35	1
36	60
37	1
38	60
39	1
40	30
41	1
42	6
43	1
44	7
45	1
46	42
47	1
48	105
49	1
50	140
51	1
52	105
53	1
54	42
55	1
56	7
57	1
58	8
59	1
60	56
61	1
62	168
63	1
64	280
65	1
66	280
67	1
68	168
69	1
70	56
71	1
72	8
73	1
74	9
75	1
76	72
77	1
78	252
79	1
80	504
81	1
82	630
83	1
84	504
85	1