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 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 25 |
| 5 | 44 |
| 6 | 73 |
| 7 | 112 |
| 8 | 166 |
| 9 | 235 |
| 10 | 325 |
| 11 | 436 |
| 12 | 575 |
| 13 | 742 |
| 14 | 945 |
| 15 | 1184 |
| 16 | 1468 |
| 17 | 1797 |
| 18 | 2181 |
| 19 | 2620 |
| 20 | 3125 |
| 21 | 3696 |
| 22 | 4345 |
| 23 | 5072 |
| 24 | 5890 |