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.

A359649 a(n) = hypergeom([(1 - n)/2, -n/2], [2], 4*n^2).

Table of values

n a(n)
0 1
1 1
2 5
3 28
4 609
5 6501
6 272701
7 4286815
8 272156417
9 5648748355
10 484054204501
11 12482361156398
12 1351553781736225
13 41650209565275195
14 5460281206077347469
15 195722005810272604876
16 30156361094764202326017
17 1232550298298392183231275
18 218366864894707599746619685

List of values

[1, 1, 5, 28, 609, 6501, 272701, 4286815, 272156417, 5648748355, 484054204501, 12482361156398, 1351553781736225, 41650209565275195, 5460281206077347469, 195722005810272604876, 30156361094764202326017, 1232550298298392183231275, 218366864894707599746619685]