A137768 - cp's OEIS frontend

A137768 Nontrivial odd numbers in writing first the numerator and then the denominator (left to right) of Leibniz's harmonic-like triangle.

n	a(n)
1	3
2	5
3	3
4	7
5	7
6	5
7	9
8	31
9	9
10	5
11	11
12	49
13	49
14	11
15	7
16	13
17	71
18	105
19	209
20	71
21	105
22	13
23	7
24	15
25	97
26	351
27	351
28	97
29	15
30	9
31	17
32	127
33	545
34	1471
35	545
36	127
37	17
38	9
39	19
40	161
41	799
42	2561
43	2561
44	799
45	161
46	19
47	11
48	21
49	199
50	495
51	1121
52	4159
53	10625
54	4159
55	1121
56	199
57	495
58	21
59	11

[3, 5, 3, 7, 7, 5, 9, 31, 9, 5, 11, 49, 49, 11, 7, 13, 71, 105, 209, 71, 105, 13, 7, 15, 97, 351, 351, 97, 15, 9, 17, 127, 545, 1471, 545, 127, 17, 9, 19, 161, 799, 2561, 2561, 799, 161, 19, 11, 21, 199, 495, 1121, 4159, 10625, 4159, 1121, 199, 495, 21, 11]

cp's OEIS Frontend

A137768 Nontrivial odd numbers in writing first the numerator and then the denominator (left to right) of Leibniz's harmonic-like triangle.

Table of values

List of values