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 | 0 |
| 2 | 495 |
| 3 | 6174 |
| 4 | 62964 |
| 5 | 61974 |
| 6 | 53955 |
| 7 | 420876 |
| 8 | 631764 |
| 9 | 549945 |
| 10 | 7509843 |
| 11 | 64308654 |
| 12 | 43208766 |
| 13 | 97508421 |
| 14 | 63317664 |
| 15 | 864197532 |
| 16 | 753098643 |
| 17 | 554999445 |
| 18 | 6431088654 |
| 19 | 9751088421 |
| 20 | 6543086544 |
| 21 | 6433086654 |
| 22 | 4332087666 |
| 23 | 9753086421 |
| 24 | 9975084201 |