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.

A208220 a(n)=(a(n-1)*a(n-3)^2+a(n-2))/a(n-4) with a(0)=a(1)=a(2)=a(3)=1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 5
7 23
8 106
9 891
10 94289
11 46062265
12 344980727309
13 3442224480935856594
14 77458438596193694601268422031
15 200130424073190804359006946314196714242380417
16 6873796333354760314538446350412794888765818679762438117097006307173727

List of values

[1, 1, 1, 1, 2, 3, 5, 23, 106, 891, 94289, 46062265, 344980727309, 3442224480935856594, 77458438596193694601268422031, 200130424073190804359006946314196714242380417, 6873796333354760314538446350412794888765818679762438117097006307173727]