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 | 16387189 |
| 2 | 16776487 |
| 3 | 17045567 |
| 4 | 24767171 |
| 5 | 38253878 |
| 6 | 39639691 |
| 7 | 40183262 |
| 8 | 41892515 |
| 9 | 44409995 |
| 10 | 51278929 |
| 11 | 60271939 |
| 12 | 73842713 |
| 13 | 106496767 |
| 14 | 122810129 |
| 15 | 129380329 |
| 16 | 145908847 |
| 17 | 154245637 |
| 18 | 156234169 |
| 19 | 176427433 |
| 20 | 197842337 |
| 21 | 243578881 |
| 22 | 271688534 |
| 23 | 272264167 |
| 24 | 292940137 |
| 25 | 300694303 |
| 26 | 373333697 |
| 27 | 389675503 |
| 28 | 401947273 |