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.

A242225 Write the coefficient of x^n/n! in the expansion of (x/(exp(x)-1))^(1/2) as f(n)/g(n); sequence gives g(n).

Table of values

n a(n)
0 1
1 4
2 48
3 64
4 1280
5 3072
6 86016
7 49152
8 2949120
9 1310720
10 11534336
11 4194304
12 1526726656
13 2348810240
14 12079595520
15 3221225472
16 73014444032
17 51539607552
18 137095356088320
19 5772436045824
20 3809807790243840
21 725677674332160
22 2023101395107840
23 3166593487994880

List of values

[1, 4, 48, 64, 1280, 3072, 86016, 49152, 2949120, 1310720, 11534336, 4194304, 1526726656, 2348810240, 12079595520, 3221225472, 73014444032, 51539607552, 137095356088320, 5772436045824, 3809807790243840, 725677674332160, 2023101395107840, 3166593487994880]