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 | 9 |
| 2 | 520 |
| 3 | 1031 |
| 4 | 1542 |
| 5 | 2053 |
| 6 | 2564 |
| 7 | 3075 |
| 8 | 3586 |
| 9 | 4097 |
| 10 | 4608 |
| 11 | 19691 |
| 12 | 20202 |
| 13 | 20713 |
| 14 | 21224 |
| 15 | 21735 |
| 16 | 22246 |
| 17 | 22757 |
| 18 | 23268 |
| 19 | 23779 |
| 20 | 39373 |
| 21 | 39884 |
| 22 | 40395 |
| 23 | 40906 |
| 24 | 41417 |
| 25 | 41928 |
| 26 | 42439 |
| 27 | 42950 |
| 28 | 59055 |
| 29 | 59566 |
| 30 | 60077 |
| 31 | 60588 |
| 32 | 61099 |
| 33 | 61610 |
| 34 | 62121 |
| 35 | 78737 |
| 36 | 79248 |
| 37 | 79759 |
| 38 | 80270 |
| 39 | 80781 |
| 40 | 81292 |
| 41 | 98419 |