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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.

A375850 The maximum even exponent in the prime factorization of n!, or 0 if no such exponent exists.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 4
7 4
8 2
9 4
10 8
11 8
12 10
13 10
14 2
15 6
16 6
17 6
18 16
19 16
20 18
21 18
22 4
23 4
24 22
25 22
26 10
27 6
28 6
29 6
30 26
31 26
32 14
33 4
34 32
35 32
36 34
37 34
38 8
39 18
40 38
41 38
42 6
43 6
44 6
45 10
46 42
47 42
48 46
49 46
50 22
51 12
52 12
53 12
54 50
55 50
56 26
57 4
58 54
59 54
60 56
61 56
62 28
63 30
64 30
65 30
66 64
67 64
68 66
69 66
70 32
71 32
72 70

List of values

[0, 0, 0, 0, 0, 0, 4, 4, 2, 4, 8, 8, 10, 10, 2, 6, 6, 6, 16, 16, 18, 18, 4, 4, 22, 22, 10, 6, 6, 6, 26, 26, 14, 4, 32, 32, 34, 34, 8, 18, 38, 38, 6, 6, 6, 10, 42, 42, 46, 46, 22, 12, 12, 12, 50, 50, 26, 4, 54, 54, 56, 56, 28, 30, 30, 30, 64, 64, 66, 66, 32, 32, 70]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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