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 | 55 |
| 3 | 121 |
| 4 | 125 |
| 5 | 275 |
| 6 | 605 |
| 7 | 625 |
| 8 | 755 |
| 9 | 1331 |
| 10 | 1375 |
| 11 | 1661 |
| 12 | 3025 |
| 13 | 3125 |
| 14 | 3775 |
| 15 | 5755 |
| 16 | 6655 |
| 17 | 6875 |
| 18 | 7555 |
| 19 | 8305 |
| 20 | 12661 |
| 21 | 14641 |
| 22 | 15125 |
| 23 | 15625 |
| 24 | 16621 |
| 25 | 18271 |
| 26 | 18875 |
| 27 | 22801 |
| 28 | 28775 |
| 29 | 33275 |
| 30 | 34375 |
| 31 | 37775 |
| 32 | 41525 |
| 33 | 57755 |
| 34 | 63305 |
| 35 | 73205 |
| 36 | 75625 |
| 37 | 77555 |
| 38 | 77755 |
| 39 | 78125 |