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.

A254147 a(n) = 1*9^n + 2*8^n + 3*7^n + 4*6^n + 5*5^n + 6*4^n + 7*3^n + 8*2^n + 9*1^n.

Table of values

n a(n)
0 45
1 165
2 825
3 4917
4 32505
5 229845
6 1703625
7 13072917
8 103008345
9 828707925
10 6779099625
11 56214660117
12 471424600185
13 3990804658005
14 34053173154825
15 292542431786517
16 2527742384720025
17 21950298188288085
18 191434401453597225
19 1675813243179972117

List of values

[45, 165, 825, 4917, 32505, 229845, 1703625, 13072917, 103008345, 828707925, 6779099625, 56214660117, 471424600185, 3990804658005, 34053173154825, 292542431786517, 2527742384720025, 21950298188288085, 191434401453597225, 1675813243179972117]