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 | 25 |
| 2 | 125 |
| 3 | 295 |
| 4 | 625 |
| 5 | 1475 |
| 6 | 2995 |
| 7 | 3125 |
| 8 | 3481 |
| 9 | 7375 |
| 10 | 14975 |
| 11 | 15625 |
| 12 | 17405 |
| 13 | 35341 |
| 14 | 36875 |
| 15 | 74875 |
| 16 | 78125 |
| 17 | 87025 |
| 18 | 176705 |
| 19 | 184375 |
| 20 | 205379 |
| 21 | 299995 |
| 22 | 358801 |
| 23 | 374375 |
| 24 | 390625 |
| 25 | 435125 |
| 26 | 479795 |
| 27 | 497795 |
| 28 | 883525 |
| 29 | 921875 |
| 30 | 1026895 |
| 31 | 1499975 |
| 32 | 1794005 |
| 33 | 1871875 |