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) |
|---|---|
| 1 | 11 |
| 2 | 29 |
| 3 | 83 |
| 4 | 127 |
| 5 | 6563 |
| 6 | 24391 |
| 7 | 59051 |
| 8 | 161053 |
| 9 | 357913 |
| 10 | 571789 |
| 11 | 1442899 |
| 12 | 4782971 |
| 13 | 5177719 |
| 14 | 14348909 |
| 15 | 18191449 |
| 16 | 30080233 |
| 17 | 73560061 |
| 18 | 80062993 |
| 19 | 118370773 |
| 20 | 127263529 |
| 21 | 131872231 |
| 22 | 318611989 |
| 23 | 344472103 |