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) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 65 |
| 3 | 275 |
| 4 | 934 |
| 5 | 2706 |
| 6 | 6941 |
| 7 | 16159 |
| 8 | 34749 |
| 9 | 69927 |
| 10 | 132991 |
| 11 | 240901 |
| 12 | 418198 |
| 13 | 699258 |
| 14 | 1130856 |
| 15 | 1774992 |
| 16 | 2711907 |
| 17 | 4043193 |
| 18 | 5894878 |
| 19 | 8420346 |
| 20 | 11802934 |
| 21 | 16258034 |
| 22 | 22034519 |
| 23 | 29415309 |
| 24 | 38716897 |
| 25 | 50287667 |
| 26 | 64504857 |
| 27 | 81770051 |