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.

A089424 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082351/A082352.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 6
5 18
6 48
7 151
8 478
9 1580
10 5304
11 18220
12 63308
13 222936
14 792436
15 2841807
16 10265130
17 37322728
18 136468200
19 501523066
20 1851418668

List of values

[1, 1, 2, 3, 6, 18, 48, 151, 478, 1580, 5304, 18220, 63308, 222936, 792436, 2841807, 10265130, 37322728, 136468200, 501523066, 1851418668]