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 | 6 |
| 3 | 45 |
| 4 | 276 |
| 5 | 325 |
| 6 | 496 |
| 7 | 561 |
| 8 | 630 |
| 9 | 703 |
| 10 | 2145 |
| 11 | 2701 |
| 12 | 6903 |
| 13 | 8385 |
| 14 | 10585 |
| 15 | 14365 |
| 16 | 18721 |
| 17 | 25878 |
| 18 | 38503 |
| 19 | 47278 |
| 20 | 74305 |
| 21 | 89676 |
| 22 | 90525 |
| 23 | 107416 |
| 24 | 109278 |
| 25 | 147696 |
| 26 | 149878 |
| 27 | 210925 |
| 28 | 254541 |
| 29 | 303810 |
| 30 | 345696 |
| 31 | 349030 |
| 32 | 383250 |
| 33 | 454581 |
| 34 | 527878 |
| 35 | 561270 |
| 36 | 674541 |
| 37 | 705078 |
| 38 | 709836 |