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 | 600 |
| 3 | 4983 |
| 4 | 19468 |
| 5 | 53505 |
| 6 | 119676 |
| 7 | 233695 |
| 8 | 414408 |
| 9 | 683793 |
| 10 | 1066960 |
| 11 | 1592151 |
| 12 | 2290740 |
| 13 | 3197233 |
| 14 | 4349268 |
| 15 | 5787615 |
| 16 | 7556176 |
| 17 | 9701985 |
| 18 | 12275208 |
| 19 | 15329143 |
| 20 | 18920220 |
| 21 | 23108001 |
| 22 | 27955180 |
| 23 | 33527583 |
| 24 | 39894168 |
| 25 | 47127025 |
| 26 | 55301376 |