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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.

A039931 Number of different sets of parameters for mixed orthogonal arrays with n runs and strength 2.

Table of values

n a(n)
1 1
2 2
3 2
4 5
5 2
6 5
7 2
8 14
9 6
10 5
11 2
12 23
13 2
14 5
15 5
16 61
17 2
18 26
19 2
20 35
21 5
22 5
23 2

List of values

[1, 2, 2, 5, 2, 5, 2, 14, 6, 5, 2, 23, 2, 5, 5, 61, 2, 26, 2, 35, 5, 5, 2]

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