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 | 25 |
| 2 | 99 |
| 3 | 609 |
| 4 | 650 |
| 5 | 1189 |
| 6 | 3479 |
| 7 | 4901 |
| 8 | 5429 |
| 9 | 11659 |
| 10 | 16275 |
| 11 | 29469 |
| 12 | 38479 |
| 13 | 62525 |
| 14 | 73814 |
| 15 | 78089 |
| 16 | 117739 |
| 17 | 142449 |
| 18 | 201116 |
| 19 | 203319 |
| 20 | 240199 |
| 21 | 328769 |
| 22 | 381275 |
| 23 | 406900 |
| 24 | 504889 |
| 25 | 576909 |
| 26 | 743775 |
| 27 | 839629 |
| 28 | 1005731 |
| 29 | 1058819 |
| 30 | 1183259 |
| 31 | 1464709 |
| 32 | 1622919 |
| 33 | 1960244 |