cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A137758 Odd elements in writing the denominator of an element first and then the numerator of that element (left to right) of Leibniz's harmonic-like triangle. That is, the odd elements of A137753.

Table of values

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

List of values

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