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.
n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 109 |
3 | 1485 |
4 | 20701 |
5 | 289629 |
6 | 4054429 |
7 | 56761245 |
8 | 794655901 |
9 | 11125179549 |
10 | 155752507549 |
11 | 2180535093405 |
12 | 30527491283101 |
13 | 427384877914269 |
14 | 5983388290701469 |
15 | 83767436069623965 |
16 | 1172744104974342301 |
17 | 16418417469640005789 |
18 | 229857844574958508189 |