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) |
|---|---|
| 0 | 491 |
| 1 | 3933 |
| 2 | 24303 |
| 3 | 32603 |
| 4 | 188143 |
| 5 | 253789 |
| 6 | 261117 |
| 7 | 1555423 |
| 8 | 2030319 |
| 9 | 2088797 |
| 10 | 2088943 |
| 11 | 16185163 |
| 12 | 16710383 |
| 13 | 16710381 |
| 14 | 16768991 |
| 15 | 99606365 |
| 16 | 129884143 |
| 17 | 133683069 |
| 18 | 134150015 |
| 19 | 134209503 |
| 20 | 770611067 |
| 21 | 1039073149 |
| 22 | 1069408239 |
| 23 | 1073209071 |
| 24 | 1073209083 |
| 25 | 1073676029 |
| 26 | 5065578363 |