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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.

A209156 Triangle read by rows: denominators of Stirling-like triangle of rational numbers.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 3
14 2
15 1
16 1
17 1
18 1
19 2
20 1
21 1
22 1
23 1
24 3
25 4
26 2
27 2
28 1
29 1
30 1
31 3
32 3
33 1
34 3
35 1
36 1

List of values

[1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 4, 2, 2, 1, 1, 1, 3, 3, 1, 3, 1, 1]