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 | 273001 |
| 2 | 830041 |
| 3 | 1543081 |
| 4 | 1897561 |
| 5 | 1966561 |
| 6 | 2298409 |
| 7 | 2330641 |
| 8 | 2503201 |
| 9 | 2544481 |
| 10 | 2782391 |
| 11 | 2901649 |
| 12 | 3056149 |
| 13 | 3628249 |
| 14 | 3828049 |
| 15 | 4142161 |
| 16 | 4260481 |
| 17 | 4450681 |
| 18 | 4575481 |
| 19 | 4814209 |
| 20 | 4948441 |
| 21 | 5091241 |
| 22 | 5103121 |
| 23 | 5206319 |
| 24 | 5540471 |
| 25 | 5607361 |
| 26 | 5845009 |
| 27 | 6018769 |
| 28 | 6228121 |
| 29 | 6302521 |