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 | 0 |
| 2 | 100 |
| 3 | 1159 |
| 4 | 1563 |
| 5 | 2079 |
| 6 | 8080 |
| 7 | 10420 |
| 8 | 13416 |
| 9 | 48363 |
| 10 | 61999 |
| 11 | 79459 |
| 12 | 283140 |
| 13 | 362616 |
| 14 | 464380 |
| 15 | 1651519 |
| 16 | 2114739 |
| 17 | 2707863 |
| 18 | 9627016 |
| 19 | 12326860 |
| 20 | 15783840 |
| 21 | 56111619 |
| 22 | 71847463 |
| 23 | 91996219 |
| 24 | 327043740 |
| 25 | 418758960 |
| 26 | 536194516 |
| 27 | 1906151863 |
| 28 | 2440707339 |
| 29 | 3125171919 |
| 30 | 11109868480 |