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.

A160567 a(n)=4*(a(n-1)a(n-3)-a(n-2)^2)/a(n-4), a(1)=a(2)=a(3)=1, a(4)=-4.

Table of values

n a(n)
0 1
1 1
2 1
3 -4
4 -20
5 -144
6 704
7 34816
8 1101824
9 12124160
10 -4499439616
11 -586464362496
12 -99309307559936
13 33947352788107264
14 26466630265219317760
15 25787111566764821970944
16 -7045529183328701486465024

List of values

[1, 1, 1, -4, -20, -144, 704, 34816, 1101824, 12124160, -4499439616, -586464362496, -99309307559936, 33947352788107264, 26466630265219317760, 25787111566764821970944, -7045529183328701486465024]