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.

A289957 Number of permutations of [n] having exactly nine nontrivial cycles.

Table of values

n a(n)
18 34459425
19 4583103525
20 353553700500
21 20941727706900
22 1063956789420525
23 49122916648430625
24 2133284602385096160
25 89095866141017736000
26 3632887356673057858375
27 146162134100332940264675
28 5846991791902793693661500
29 233881907399101905866222300

List of values

[34459425, 4583103525, 353553700500, 20941727706900, 1063956789420525, 49122916648430625, 2133284602385096160, 89095866141017736000, 3632887356673057858375, 146162134100332940264675, 5846991791902793693661500, 233881907399101905866222300]

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

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