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 | 4 |
| 3 | 19 |
| 4 | 145 |
| 5 | 53 |
| 6 | 83 |
| 7 | 353 |
| 8 | 607 |
| 9 | 8171 |
| 10 | 75359 |
| 11 | 78089 |
| 12 | 79259 |
| 13 | 11657 |
| 14 | 2963 |
| 15 | 12047 |
| 16 | 378137 |
| 17 | 386197 |
| 18 | 389917 |
| 19 | 397171 |
| 20 | 2804377 |
| 21 | 11344453 |
| 22 | 11457293 |
| 23 | 11626553 |
| 24 | 11694257 |
| 25 | 11825297 |
| 26 | 11922017 |
| 27 | 12023573 |
| 28 | 12096113 |
| 29 | 12231521 |
| 30 | 12287941 |
| 31 | 6207443 |
| 32 | 6239683 |
| 33 | 3140999 |
| 34 | 9479417 |