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 | 4 |
| 2 | 564 |
| 3 | 1284 |
| 4 | 2308 |
| 5 | 3601 |
| 6 | 7044 |
| 7 | 7057 |
| 8 | 7513 |
| 9 | 8628 |
| 10 | 9168 |
| 11 | 9412 |
| 12 | 10561 |
| 13 | 10852 |
| 14 | 11257 |
| 15 | 12436 |
| 16 | 13897 |
| 17 | 14113 |
| 18 | 14388 |
| 19 | 14425 |
| 20 | 16144 |
| 21 | 16692 |
| 22 | 16753 |
| 23 | 17124 |
| 24 | 17257 |
| 25 | 17737 |
| 26 | 18064 |
| 27 | 18433 |
| 28 | 18708 |
| 29 | 19408 |
| 30 | 19428 |
| 31 | 20628 |
| 32 | 20688 |
| 33 | 20752 |
| 34 | 20788 |
| 35 | 20977 |
| 36 | 21073 |
| 37 | 23668 |
| 38 | 25153 |
| 39 | 27193 |
| 40 | 28212 |
| 41 | 28228 |