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 | 19099919 |
| 2 | 52554569 |
| 3 | 85864769 |
| 4 | 171729539 |
| 5 | 198479579 |
| 6 | 226366139 |
| 7 | 305192579 |
| 8 | 344319029 |
| 9 | 396959159 |
| 10 | 474118349 |
| 11 | 574964129 |
| 12 | 610385159 |
| 13 | 685066979 |
| 14 | 764406059 |
| 15 | 1085182229 |
| 16 | 1126004219 |
| 17 | 1195651139 |
| 18 | 1372213439 |
| 19 | 1484454269 |
| 20 | 1573750049 |
| 21 | 2270291519 |
| 22 | 2365144079 |
| 23 | 2400025739 |