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) |
|---|---|
| 0 | 1 |
| 1 | 343 |
| 2 | 6859 |
| 3 | 50653 |
| 4 | 226981 |
| 5 | 753571 |
| 6 | 2048383 |
| 7 | 4826809 |
| 8 | 10218313 |
| 9 | 19902511 |
| 10 | 36264691 |
| 11 | 62570773 |
| 12 | 103161709 |
| 13 | 163667323 |
| 14 | 251239591 |
| 15 | 374805361 |
| 16 | 545338513 |
| 17 | 776151559 |
| 18 | 1083206683 |
| 19 | 1485446221 |
| 20 | 2005142581 |
| 21 | 2668267603 |
| 22 | 3504881359 |
| 23 | 4549540393 |
| 24 | 5841725401 |
| 25 | 7426288351 |