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.

A010842 Expansion of e.g.f.: exp(2*x)/(1-x).

Table of values

n a(n)
0 1
1 3
2 10
3 38
4 168
5 872
6 5296
7 37200
8 297856
9 2681216
10 26813184
11 294947072
12 3539368960
13 46011804672
14 644165281792
15 9662479259648
16 154599668219904
17 2628194359869440
18 47307498477912064
19 898842471080853504
20 17976849421618118656
21 377513837853982588928

List of values

[1, 3, 10, 38, 168, 872, 5296, 37200, 297856, 2681216, 26813184, 294947072, 3539368960, 46011804672, 644165281792, 9662479259648, 154599668219904, 2628194359869440, 47307498477912064, 898842471080853504, 17976849421618118656, 377513837853982588928]