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 | 3 |
| 3 | 7 |
| 4 | 23 |
| 5 | 29 |
| 6 | 157 |
| 7 | 505 |
| 8 | 1139 |
| 9 | 1211 |
| 10 | 2089 |
| 11 | 5161 |
| 12 | 5293 |
| 13 | 6347 |
| 14 | 10717 |
| 15 | 14233 |
| 16 | 28213 |
| 17 | 31451 |
| 18 | 72965 |
| 19 | 119029 |
| 20 | 121603 |
| 21 | 124177 |
| 22 | 611261 |
| 23 | 632171 |
| 24 | 2003171 |
| 25 | 2012771 |