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.

A326093 E.g.f.: Sum_{n>=0} ((1+x)^n + 3)^n * x^n/n!.

Table of values

n a(n)
0 1
1 4
2 18
3 112
4 976
5 11424
6 169936
7 3101032
8 67876608
9 1746757504
10 52034505376
11 1771434644544
12 68180144988928
13 2939951026982272
14 140920461751138176
15 7457658363325181824
16 433145750643704774656
17 27464893679743640343552
18 1892311278990953945563648
19 141074242336048184406390784
20 11336870115013701213795557376

List of values

[1, 4, 18, 112, 976, 11424, 169936, 3101032, 67876608, 1746757504, 52034505376, 1771434644544, 68180144988928, 2939951026982272, 140920461751138176, 7457658363325181824, 433145750643704774656, 27464893679743640343552, 1892311278990953945563648, 141074242336048184406390784, 11336870115013701213795557376]