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 | 313 |
| 2 | 337 |
| 3 | 365 |
| 4 | 1513 |
| 5 | 1685 |
| 6 | 1877 |
| 7 | 8765 |
| 8 | 9773 |
| 9 | 10897 |
| 10 | 51077 |
| 11 | 56953 |
| 12 | 63505 |
| 13 | 297697 |
| 14 | 331945 |
| 15 | 370133 |
| 16 | 1735105 |
| 17 | 1934717 |
| 18 | 2157293 |
| 19 | 10112933 |
| 20 | 11276357 |
| 21 | 12573625 |
| 22 | 58942493 |
| 23 | 65723425 |
| 24 | 73284457 |
| 25 | 343542025 |
| 26 | 383064193 |
| 27 | 427133117 |
| 28 | 2002309657 |