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.

A072256 a(n) = 10*a(n-1) - a(n-2) for n > 1, a(0) = a(1) = 1.

Table of values

n a(n)
0 1
1 1
2 9
3 89
4 881
5 8721
6 86329
7 854569
8 8459361
9 83739041
10 828931049
11 8205571449
12 81226783441
13 804062262961
14 7959395846169
15 78789896198729
16 779939566141121
17 7720605765212481
18 76426118085983689
19 756540575094624409
20 7488979632860260401
21 74133255753507979601
22 733843577902219535609

List of values

[1, 1, 9, 89, 881, 8721, 86329, 854569, 8459361, 83739041, 828931049, 8205571449, 81226783441, 804062262961, 7959395846169, 78789896198729, 779939566141121, 7720605765212481, 76426118085983689, 756540575094624409, 7488979632860260401, 74133255753507979601, 733843577902219535609]