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 | 2 |
| 3 | 690 |
| 4 | 33190 |
| 5 | 57106 |
| 6 | 77140 |
| 7 | 135606 |
| 8 | 258990 |
| 9 | 303430 |
| 10 | 331140 |
| 11 | 337536 |
| 12 | 359230 |
| 13 | 375646 |
| 14 | 455526 |
| 15 | 458326 |
| 16 | 493396 |
| 17 | 548226 |
| 18 | 550540 |
| 19 | 585106 |
| 20 | 602056 |
| 21 | 659250 |
| 22 | 680830 |
| 23 | 742306 |
| 24 | 800406 |
| 25 | 827680 |
| 26 | 870240 |
| 27 | 918340 |
| 28 | 925390 |
| 29 | 968320 |
| 30 | 1203100 |
| 31 | 1273890 |
| 32 | 1455526 |
| 33 | 1497576 |
| 34 | 1605016 |