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 | 2326 |
| 3 | 308344 |
| 4 | 416308 |
| 5 | 22330489 |
| 6 | 23584549 |
| 7 | 25262887 |
| 8 | 100369113 |
| 9 | 103697628 |
| 10 | 112085871 |
| 11 | 117764571 |
| 12 | 123236271 |
| 13 | 128235558 |
| 14 | 480765411 |
| 15 | 487901778 |
| 16 | 492021537 |
| 17 | 498423726 |
| 18 | 507761406 |
| 19 | 520620501 |
| 20 | 552317646 |
| 21 | 622410993 |
| 22 | 2231515936 |
| 23 | 2245722316 |
| 24 | 2259865441 |
| 25 | 2277355234 |