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 | 1 |
2 | 1 |
3 | 1 |
4 | 25 |
5 | 121 |
6 | 361 |
7 | 3361 |
8 | 42001 |
9 | 275185 |
10 | 1819441 |
11 | 30777121 |
12 | 371238121 |
13 | 9284332201 |
14 | 131442054745 |
15 | 1454933712961 |
16 | 34120902859681 |
17 | 851562584890081 |
18 | 12300037440760801 |
19 | 187928965721651905 |
20 | 6019555345508794681 |
21 | 130768735411230580441 |