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.

A285856 Number of permutations of [n] with five ordered cycles such that equal-sized cycles are ordered with increasing least elements.

Table of values

n a(n)
5 1
6 75
7 1400
8 28700
9 431445
10 6061545
11 101969450
12 1511771250
13 24207257360
14 398261143280
15 7126152051200
16 125804137586400
17 2407653784466640
18 47180921713154640
19 978889889736934560
20 20912829727776156000
21 470414513170923511680
22 10891943467262968682880

List of values

[1, 75, 1400, 28700, 431445, 6061545, 101969450, 1511771250, 24207257360, 398261143280, 7126152051200, 125804137586400, 2407653784466640, 47180921713154640, 978889889736934560, 20912829727776156000, 470414513170923511680, 10891943467262968682880]

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

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