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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.

A025548 a(n) = sum of the exponents in the prime factorization of the least common multiple of {1,3,5,...,2n-1}.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 6
9 7
10 8
11 8
12 9
13 10
14 11
15 12
16 13
17 13
18 13
19 14
20 14
21 15
22 16
23 16
24 17
25 18
26 18
27 19
28 19
29 19
30 20
31 21
32 21
33 21
34 22
35 22
36 23
37 24
38 24
39 24
40 25
41 26
42 27
43 27
44 27
45 28
46 28
47 28
48 28
49 29
50 29
51 30
52 31
53 31
54 32
55 33
56 33
57 34
58 34
59 34
60 34
61 35
62 35
63 36
64 37
65 37
66 38
67 38
68 38
69 39
70 40
71 40
72 40
73 40

List of values

[0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 8, 9, 10, 11, 12, 13, 13, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 19, 19, 20, 21, 21, 21, 22, 22, 23, 24, 24, 24, 25, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34, 34, 34, 34, 35, 35, 36, 37, 37, 38, 38, 38, 39, 40, 40, 40, 40]

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

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