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 | 273 |
| 2 | 54943 |
| 3 | 67303 |
| 4 | 199393 |
| 5 | 831283 |
| 6 | 1097305 |
| 7 | 1363723 |
| 8 | 1569103 |
| 9 | 1590433 |
| 10 | 3199579 |
| 11 | 3282433 |
| 12 | 3503773 |
| 13 | 5645563 |
| 14 | 5659333 |
| 15 | 9260053 |
| 16 | 9733843 |
| 17 | 9984115 |
| 18 | 10738033 |
| 19 | 16645363 |
| 20 | 19229533 |
| 21 | 32168743 |
| 22 | 37759363 |
| 23 | 38645233 |
| 24 | 50806585 |
| 25 | 53825497 |
| 26 | 56451373 |
| 27 | 58327423 |
| 28 | 62207173 |