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 | 5 |
| 3 | 84 |
| 4 | 286 |
| 5 | 604 |
| 6 | 1038 |
| 7 | 1588 |
| 8 | 2254 |
| 9 | 3036 |
| 10 | 3934 |
| 11 | 4948 |
| 12 | 6078 |
| 13 | 7324 |
| 14 | 8686 |
| 15 | 10164 |
| 16 | 11758 |
| 17 | 13468 |
| 18 | 15294 |
| 19 | 17236 |
| 20 | 19294 |
| 21 | 21468 |
| 22 | 23758 |
| 23 | 26164 |
| 24 | 28686 |
| 25 | 31324 |
| 26 | 34078 |
| 27 | 36948 |
| 28 | 39934 |
| 29 | 43036 |
| 30 | 46254 |
| 31 | 49588 |
| 32 | 53038 |
| 33 | 56604 |
| 34 | 60286 |
| 35 | 64084 |
| 36 | 67998 |
| 37 | 72028 |
| 38 | 76174 |
| 39 | 80436 |
| 40 | 84814 |