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 | 1 |
| 2 | 244 |
| 3 | 3126 |
| 4 | 16808 |
| 5 | 59293 |
| 6 | 161052 |
| 7 | 371294 |
| 8 | 762744 |
| 9 | 1419858 |
| 10 | 2476100 |
| 11 | 4101152 |
| 12 | 6436344 |
| 13 | 9768751 |
| 14 | 14408200 |
| 15 | 20511150 |
| 16 | 28629152 |
| 17 | 39296688 |
| 18 | 52541808 |
| 19 | 69343958 |
| 20 | 90595736 |
| 21 | 115856202 |
| 22 | 147008444 |
| 23 | 185349918 |
| 24 | 229345008 |
| 25 | 282492057 |
| 26 | 346445352 |
| 27 | 418195494 |
| 28 | 503448552 |
| 29 | 604168400 |