cp's OEIS Frontend

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.

A233447 Floor(compositorial(n) / n!), that is, floor(A036691(n) / A000142(n)).

Table of values

n a(n)
1 4
2 12
3 32
4 72
5 144
6 288
7 576
8 1080
9 1920
10 3456
11 6283
12 10996
13 18609
14 31901
15 53169
16 86400
17 137223
18 213458
19 337040
20 539264
21 847415
22 1309642
23 1992933
24 2989400
25 4543888
26 6815833
27 10097530
28 15146295
29 22980586
30 34470879
31 51150337
32 76725506
33 113925752
34 167537870
35 244126611

List of values

[4, 12, 32, 72, 144, 288, 576, 1080, 1920, 3456, 6283, 10996, 18609, 31901, 53169, 86400, 137223, 213458, 337040, 539264, 847415, 1309642, 1992933, 2989400, 4543888, 6815833, 10097530, 15146295, 22980586, 34470879, 51150337, 76725506, 113925752, 167537870, 244126611]

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

Content is available under The OEIS End-User License Agreement.