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.

A289951 Number of permutations of [n] having exactly three nontrivial cycles.

Table of values

n a(n)
6 15
7 315
8 4480
9 56672
10 703430
11 8941790
12 118685336
13 1658897240
14 24494859389
15 382301179169
16 6302039460704
17 109568927676192
18 2005758201911884
19 38588518087076860
20 778794884783432176
21 16458419973887378416
22 363578176719852275467
23 8381709371219530604071

List of values

[15, 315, 4480, 56672, 703430, 8941790, 118685336, 1658897240, 24494859389, 382301179169, 6302039460704, 109568927676192, 2005758201911884, 38588518087076860, 778794884783432176, 16458419973887378416, 363578176719852275467, 8381709371219530604071]