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 | 0 |
| 1 | 1 |
| 2 | 23 |
| 3 | 342 |
| 4 | 4201 |
| 5 | 5213 |
| 6 | 6777 |
| 7 | 70861 |
| 8 | 86723 |
| 9 | 94095 |
| 10 | 1 |
| 11 | 150161 |
| 12 | 238842 |
| 13 | 392173 |
| 14 | 428735 |
| 15 | 573957 |
| 16 | 6758401 |
| 17 | 7589141 |
| 18 | 8659881 |
| 19 | 9906742 |
| 20 | 23 |
| 21 | 1014804 |
| 22 | 2363515 |
| 23 | 3436346 |
| 24 | 4262697 |
| 25 | 5265679 |
| 26 | 67318811 |
| 27 | 70984341 |
| 28 | 86301271 |
| 29 | 94111502 |
| 30 | 342 |
| 31 | 15192682 |
| 32 | 23445533 |
| 33 | 39353193 |