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.

A138210 G.f.: A(x) = 1 + x*(1 + x*(1 + x*(...(1 + x*(...)^(-2n) )...)^-6)^-4)^-2.

Table of values

n a(n)
0 1
1 1
2 -2
3 11
4 -96
5 1137
6 -16972
7 305653
8 -6449876
9 156135481
10 -4266372138
11 129918213186
12 -4363433172488
13 160251326396727
14 -6389255111157990
15 274851082201092530
16 -12689236310679318864
17 625827924636908620381
18 -32839089116018960634852

List of values

[1, 1, -2, 11, -96, 1137, -16972, 305653, -6449876, 156135481, -4266372138, 129918213186, -4363433172488, 160251326396727, -6389255111157990, 274851082201092530, -12689236310679318864, 625827924636908620381, -32839089116018960634852]