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 | 403 |
| 2 | 4579 |
| 3 | 16945 |
| 4 | 41917 |
| 5 | 83911 |
| 6 | 147343 |
| 7 | 236629 |
| 8 | 356185 |
| 9 | 510427 |
| 10 | 703771 |
| 11 | 940633 |
| 12 | 1225429 |
| 13 | 1562575 |
| 14 | 1956487 |
| 15 | 2411581 |
| 16 | 2932273 |
| 17 | 3522979 |
| 18 | 4188115 |
| 19 | 4932097 |
| 20 | 5759341 |
| 21 | 6674263 |
| 22 | 7681279 |
| 23 | 8784805 |
| 24 | 9989257 |
| 25 | 11299051 |
| 26 | 12718603 |
| 27 | 14252329 |
| 28 | 15904645 |
| 29 | 17679967 |
| 30 | 19582711 |