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.

A143968 Denominators of numbers with g.f. exp(1-(1-x)^(1/2)).

Table of values

n a(n)
0 1
1 2
2 4
3 48
4 384
5 1920
6 46080
7 645120
8 5160960
9 185794560
10 530841600
11 40874803200
12 280284364800
13 51011754393600
14 714164561510400
15 42849873690624000
16 1371195958099968000
17 302731575164928000
18 1678343852714360832000
19 100120983364435968000
20 1275541328062914232320000

List of values

[1, 2, 4, 48, 384, 1920, 46080, 645120, 5160960, 185794560, 530841600, 40874803200, 280284364800, 51011754393600, 714164561510400, 42849873690624000, 1371195958099968000, 302731575164928000, 1678343852714360832000, 100120983364435968000, 1275541328062914232320000]