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.

A335751 a(n) = denominator(Bernoulli(2*n)*(1/2 - n)! / sqrt(Pi)).

Table of values

n a(n)
0 2
1 6
2 15
3 63
4 225
5 693
6 1289925
7 4455
8 34459425
9 808782975
10 5685805125
11 4106936925
12 18767808934875
13 72977109975
14 491292329653125
15 305714614450620375
16 1578522255175490625
17 33864491287501875
18 6076788748684677645496875
19 34996278233163121875
20 55478375013295336399171875

List of values

[2, 6, 15, 63, 225, 693, 1289925, 4455, 34459425, 808782975, 5685805125, 4106936925, 18767808934875, 72977109975, 491292329653125, 305714614450620375, 1578522255175490625, 33864491287501875, 6076788748684677645496875, 34996278233163121875, 55478375013295336399171875]