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.

A087138 Expansion of (1-sqrt(1-4*log(1+x)))/2.

Table of values

n a(n)
1 1
2 1
3 8
4 64
5 824
6 12968
7 252720
8 5789712
9 153169440
10 4589004192
11 153643615872
12 5684390364288
13 230307823878144
14 10141452865049088
15 482259966649655808
16 24630247225278881280
17 1344614199041549399040
18 78137673004382654223360

List of values

[1, 1, 8, 64, 824, 12968, 252720, 5789712, 153169440, 4589004192, 153643615872, 5684390364288, 230307823878144, 10141452865049088, 482259966649655808, 24630247225278881280, 1344614199041549399040, 78137673004382654223360]