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 | 306 |
| 2 | 7686 |
| 3 | 9900 |
| 4 | 24168 |
| 5 | 32778 |
| 6 | 68448 |
| 7 | 86160 |
| 8 | 107070 |
| 9 | 112236 |
| 10 | 148398 |
| 11 | 172998 |
| 12 | 207930 |
| 13 | 217770 |
| 14 | 221706 |
| 15 | 231546 |
| 16 | 250488 |
| 17 | 277548 |
| 18 | 292800 |
| 19 | 303378 |
| 20 | 306576 |
| 21 | 329208 |
| 22 | 354300 |
| 23 | 380130 |
| 24 | 398580 |
| 25 | 488616 |
| 26 | 490338 |
| 27 | 492798 |
| 28 | 501408 |
| 29 | 533388 |
| 30 | 559218 |
| 31 | 567828 |
| 32 | 605220 |
| 33 | 619980 |
| 34 | 640890 |