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.

A228911 a(n) = 9^n - 8*8^n + 28*7^n - 56*6^n + 70*5^n - 56*4^n + 28*3^n - 8*2^n + 1.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 40320
9 1814400
10 46569600
11 898128000
12 14495120640
13 207048441600
14 2706620716800
15 33094020960000
16 384202115256960
17 4280991956841600
18 46150861752777600
19 484294916235312000
20 4970346251077025280
21 50075960398487654400
22 496745174491651008000

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 40320, 1814400, 46569600, 898128000, 14495120640, 207048441600, 2706620716800, 33094020960000, 384202115256960, 4280991956841600, 46150861752777600, 484294916235312000, 4970346251077025280, 50075960398487654400, 496745174491651008000]