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 | 561 |
| 2 | 1105 |
| 3 | 1729 |
| 4 | 2465 |
| 5 | 2821 |
| 6 | 75361 |
| 7 | 63973 |
| 8 | 1050985 |
| 9 | 6601 |
| 10 | 41041 |
| 11 | 29341 |
| 12 | 172081 |
| 13 | 552721 |
| 14 | 852841 |
| 15 | 10877581 |
| 16 | 1256855041 |
| 17 | 8911 |
| 18 | 340561 |
| 19 | 15182481601 |
| 20 | 72720130561 |
| 21 | 10585 |
| 22 | 15841 |
| 23 | 126217 |
| 24 | 825265 |
| 25 | 2433601 |
| 26 | 496050841 |
| 27 | 672389641 |
| 28 | 5394826801 |
| 29 | 24465723528961 |
| 30 | 1074363265 |
| 31 | 24172484701 |
| 32 | 62745 |
| 33 | 2806205689 |
| 34 | 22541365441 |
| 35 | 46657 |
| 36 | 2113921 |
| 37 | 6436473121 |
| 38 | 6557296321 |
| 39 | 13402361281 |
| 40 | 26242929505 |
| 41 | 65320532641 |
| 42 | 143873352001 |
| 43 | 105083995864811041 |