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.

A229557 Array read by antidiagonals. Rows are the denominators of consecutive harmonic transforms starting with a first row 1, 1, 1,....

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 2
10 1
11 1
12 1
13 6
14 3
15 1
16 1
17 1
18 12
19 33
20 5
21 1
22 1
23 1
24 60
25 825
26 365
27 8
28 1
29 1
30 1
31 20
32 113025
33 810665
34 5992
35 13
36 1
37 1
38 1
39 140
40 5538225
41 286794631705
42 5886103384
43 164541
44 21
45 1
46 1
47 1
48 280
49 60920475
50 5619905141583441965
51 4630449259971272605672
52 14469935305431
53 1031079
54 34
55 1
56 1
57 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 6, 3, 1, 1, 1, 12, 33, 5, 1, 1, 1, 60, 825, 365, 8, 1, 1, 1, 20, 113025, 810665, 5992, 13, 1, 1, 1, 140, 5538225, 286794631705, 5886103384, 164541, 21, 1, 1, 1, 280, 60920475, 5619905141583441965, 4630449259971272605672, 14469935305431, 1031079, 34, 1, 1, 1]