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.

A228910 a(n) = 8^n - 7*7^n + 21*6^n - 35*5^n + 35*4^n - 21*3^n + 7*2^n - 1.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 5040
8 181440
9 3780000
10 59875200
11 801496080
12 9574044480
13 105398092800
14 1091804313600
15 10794490827120
16 102896614941120
17 952741767650400
18 8617145057539200
19 76461500619902160
20 667855517349303360
21 5757691363157764800
22 49099453300298016000
23 414884142077935345200

List of values

[0, 0, 0, 0, 0, 0, 0, 5040, 181440, 3780000, 59875200, 801496080, 9574044480, 105398092800, 1091804313600, 10794490827120, 102896614941120, 952741767650400, 8617145057539200, 76461500619902160, 667855517349303360, 5757691363157764800, 49099453300298016000, 414884142077935345200]