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 | 7 |
| 2 | 27 |
| 3 | 76 |
| 4 | 174 |
| 5 | 343 |
| 6 | 602 |
| 7 | 961 |
| 8 | 1415 |
| 9 | 1940 |
| 10 | 2493 |
| 11 | 3017 |
| 12 | 3450 |
| 13 | 3736 |
| 14 | 3836 |
| 15 | 3736 |
| 16 | 3450 |
| 17 | 3017 |
| 18 | 2493 |
| 19 | 1940 |
| 20 | 1415 |
| 21 | 961 |
| 22 | 602 |
| 23 | 343 |
| 24 | 174 |
| 25 | 76 |
| 26 | 27 |
| 27 | 7 |
| 28 | 1 |