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.

A326863 E.g.f.: Product_{k>=1} (1 + x^(4*k-3)/(4*k-3)) / (1 - x^(4*k-3)/(4*k-3)).

Table of values

n a(n)
0 1
1 2
2 4
3 12
4 48
5 288
6 2016
7 14112
8 112896
9 1096704
10 12063744
11 135894528
12 1630734336
13 22157549568
14 331366920192
15 5107664314368
16 82057393668096
17 1436821272133632
18 27168078863794176
19 528845513033908224
20 10627947138360803328
21 228216184936879620096
22 5219125284175176794112

List of values

[1, 2, 4, 12, 48, 288, 2016, 14112, 112896, 1096704, 12063744, 135894528, 1630734336, 22157549568, 331366920192, 5107664314368, 82057393668096, 1436821272133632, 27168078863794176, 528845513033908224, 10627947138360803328, 228216184936879620096, 5219125284175176794112]