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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.

A060777 Larger central (or median) divisor of n!.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 12
6 30
7 72
8 210
9 630
10 1920
11 6336
12 22176
13 78975
14 295680
15 1144000
16 4576000
17 18869760
18 80061696
19 348986880
20 1560176640
21 7148445696
22 33530112000
23 160813154304
24 787718131200
25 3938590656000
26 20083261440000
27 104351051284480
28 552173794099200
29 2973519499493376
30 16286922357866496
31 90680032493568000
32 512971179263262720

List of values

[1, 2, 3, 6, 12, 30, 72, 210, 630, 1920, 6336, 22176, 78975, 295680, 1144000, 4576000, 18869760, 80061696, 348986880, 1560176640, 7148445696, 33530112000, 160813154304, 787718131200, 3938590656000, 20083261440000, 104351051284480, 552173794099200, 2973519499493376, 16286922357866496, 90680032493568000, 512971179263262720]

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

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