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.

A121588 G.f.: A(x) = 1+x*(1+x*(1+x*(...(1+x*(...)^(-2^n) )...)^-4)^-2)^-1.

Table of values

n a(n)
0 1
1 1
2 -1
3 3
4 -16
5 145
6 -2347
7 72498
8 -4459887
9 554300965
10 -139235329270
11 70475747813447
12 -71685052573258824
13 146249172542467865074
14 -597744865134782025119044
15 4890851047359454263328433041
16 -80078758027845307168595201926254

List of values

[1, 1, -1, 3, -16, 145, -2347, 72498, -4459887, 554300965, -139235329270, 70475747813447, -71685052573258824, 146249172542467865074, -597744865134782025119044, 4890851047359454263328433041, -80078758027845307168595201926254]