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 | 200 |
| 2 | 6346 |
| 3 | 53302 |
| 4 | 252154 |
| 5 | 860854 |
| 6 | 2378412 |
| 7 | 5662636 |
| 8 | 12071420 |
| 9 | 23627580 |
| 10 | 43207238 |
| 11 | 74751754 |
| 12 | 123503206 |
| 13 | 196263418 |
| 14 | 301676536 |
| 15 | 450535152 |
| 16 | 656109976 |
| 17 | 934503056 |
| 18 | 1305024546 |
| 19 | 1790593022 |
| 20 | 2418159346 |
| 21 | 3219154078 |
| 22 | 4229958436 |
| 23 | 5492398804 |