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.

A229556 Array read by antidiagonals. Rows are the numerators 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 2
6 1
7 1
8 3
9 3
10 1
11 1
12 4
13 11
14 5
15 1
16 1
17 5
18 25
19 73
20 8
21 1
22 1
23 6
24 137
25 2221
26 749
27 13
28 1
29 1
30 7
31 49
32 353777
33 1964654
34 12657
35 21
36 1
37 1
38 8
39 363
40 19595573
41 786674809783
42 14862065179
43 343693
44 34
45 1
46 1
47 9
48 761
49 239046803
50 17003676861538314284
51 13379715149864207035877
52 35955580499839

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 11, 5, 1, 1, 5, 25, 73, 8, 1, 1, 6, 137, 2221, 749, 13, 1, 1, 7, 49, 353777, 1964654, 12657, 21, 1, 1, 8, 363, 19595573, 786674809783, 14862065179, 343693, 34, 1, 1, 9, 761, 239046803, 17003676861538314284, 13379715149864207035877, 35955580499839]