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.

A254081 Number of primitive (=aperiodic) n-bead necklaces with colored beads of exactly 9 different colors.

Table of values

n a(n)
9 40320
10 1632960
11 38102400
12 673596000
13 10035083520
14 133102569600
15 1623972430080
16 18615386790000
17 203401119841920
18 2140495978400640
19 21860934514473600
20 217932712305073920
21 2130148393318725120
22 20485620162998625600
23 194378546540211264000
24 1823813323809879402000

List of values

[40320, 1632960, 38102400, 673596000, 10035083520, 133102569600, 1623972430080, 18615386790000, 203401119841920, 2140495978400640, 21860934514473600, 217932712305073920, 2130148393318725120, 20485620162998625600, 194378546540211264000, 1823813323809879402000]

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

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