A137759 - cp's OEIS frontend

A137759 Odd numbers in writing first numerator and then denominator (left to right) of Leibniz's harmonic-like triangle.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	5
8	1
9	3
10	1
11	7
12	7
13	1
14	1
15	5
16	9
17	31
18	9
19	1
20	5
21	1
22	11
23	49
24	49
25	11
26	1
27	1
28	7
29	13
30	71
31	105
32	209
33	71
34	105
35	13
36	1
37	7
38	1
39	15
40	97
41	351
42	351
43	97
44	15
45	1
46	1
47	9
48	17
49	127
50	545
51	1471
52	545
53	127
54	17
55	1
56	9
57	1
58	19
59	161
60	799
61	2561
62	2561
63	799
64	161
65	19
66	1

[1, 1, 1, 1, 1, 3, 5, 1, 3, 1, 7, 7, 1, 1, 5, 9, 31, 9, 1, 5, 1, 11, 49, 49, 11, 1, 1, 7, 13, 71, 105, 209, 71, 105, 13, 1, 7, 1, 15, 97, 351, 351, 97, 15, 1, 1, 9, 17, 127, 545, 1471, 545, 127, 17, 1, 9, 1, 19, 161, 799, 2561, 2561, 799, 161, 19, 1]

cp's OEIS Frontend

A137759 Odd numbers in writing first numerator and then denominator (left to right) of Leibniz's harmonic-like triangle.

Table of values

List of values