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 | 1 |
| 2 | 5 |
| 3 | 10 |
| 4 | 101 |
| 5 | 130 |
| 6 | 1078 |
| 7 | 1330 |
| 8 | 1541 |
| 9 | 4730 |
| 10 | 10114 |
| 11 | 12773 |
| 12 | 13330 |
| 13 | 41269 |
| 14 | 133330 |
| 15 | 1333330 |
| 16 | 13333330 |
| 17 | 133333330 |
| 18 | 1333333330 |
| 19 | 3430798394 |
| 20 | 5506103010 |
| 21 | 13333333330 |
| 22 | 108245601470 |
| 23 | 133333333330 |
| 24 | 1305029950270 |
| 25 | 1333333333330 |