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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.

A139552 a(n) = lcm(1..floor(n/3)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 2
9 6
10 6
11 6
12 12
13 12
14 12
15 60
16 60
17 60
18 60
19 60
20 60
21 420
22 420
23 420
24 840
25 840
26 840
27 2520
28 2520
29 2520
30 2520
31 2520
32 2520
33 27720
34 27720
35 27720
36 27720
37 27720
38 27720
39 360360
40 360360
41 360360
42 360360
43 360360
44 360360
45 360360
46 360360
47 360360
48 720720

List of values

[1, 1, 1, 1, 1, 1, 2, 2, 2, 6, 6, 6, 12, 12, 12, 60, 60, 60, 60, 60, 60, 420, 420, 420, 840, 840, 840, 2520, 2520, 2520, 2520, 2520, 2520, 27720, 27720, 27720, 27720, 27720, 27720, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 360360, 720720]

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

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