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 | 17 |
| 2 | 106 |
| 3 | 479 |
| 4 | 1610 |
| 5 | 4357 |
| 6 | 10082 |
| 7 | 20771 |
| 8 | 39154 |
| 9 | 68825 |
| 10 | 114362 |
| 11 | 181447 |
| 12 | 276986 |
| 13 | 409229 |
| 14 | 587890 |
| 15 | 824267 |
| 16 | 1131362 |
| 17 | 1524001 |
| 18 | 2018954 |
| 19 | 2635055 |
| 20 | 3393322 |
| 21 | 4317077 |
| 22 | 5432066 |
| 23 | 6766579 |
| 24 | 8351570 |
| 25 | 10220777 |
| 26 | 12410842 |
| 27 | 14961431 |
| 28 | 17915354 |
| 29 | 21318685 |