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 | 113280614 |
| 3 | 518180871 |
| 4 | 401789364 |
| 5 | 123511293 |
| 6 | 522841650 |
| 7 | 132082531 |
| 8 | 254284640 |
| 9 | 306822585 |
| 10 | 36791486 |
| 11 | 267986559 |
| 12 | 195744204 |
| 13 | 63672117 |
| 14 | 39581194 |
| 15 | 434609499 |
| 16 | 223082744 |
| 17 | 48501361 |
| 18 | 535916054 |
| 19 | 463875063 |
| 20 | 53294308 |
| 21 | 487523181 |
| 22 | 390617314 |
| 23 | 240119379 |
| 24 | 401404304 |
| 25 | 176021033 |