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 | 15 |
| 2 | 78 |
| 3 | 250 |
| 4 | 615 |
| 5 | 1281 |
| 6 | 2380 |
| 7 | 4068 |
| 8 | 6525 |
| 9 | 9955 |
| 10 | 14586 |
| 11 | 20670 |
| 12 | 28483 |
| 13 | 38325 |
| 14 | 50520 |
| 15 | 65416 |
| 16 | 83385 |
| 17 | 104823 |
| 18 | 130150 |
| 19 | 159810 |
| 20 | 194271 |
| 21 | 234025 |
| 22 | 279588 |
| 23 | 331500 |
| 24 | 390325 |
| 25 | 456651 |
| 26 | 531090 |
| 27 | 614278 |
| 28 | 706875 |
| 29 | 809565 |
| 30 | 923056 |
| 31 | 1048080 |
| 32 | 1185393 |
| 33 | 1335775 |