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 | 971 |
| 2 | 431441 |
| 3 | 838949 |
| 4 | 2614691 |
| 5 | 6770161 |
| 6 | 43845881 |
| 7 | 570523321 |
| 8 | 9244951889 |
| 9 | 33640090481 |
| 10 | 41402933641 |
| 11 | 81303824909 |
| 12 | 126165366289 |
| 13 | 137240997911 |
| 14 | 346860978491 |
| 15 | 372445245449 |
| 16 | 525200678549 |
| 17 | 726938163649 |
| 18 | 774170449439 |