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) |
|---|---|
| 3 | 225 |
| 4 | 675 |
| 5 | 1350 |
| 6 | 2250 |
| 7 | 3375 |
| 8 | 4725 |
| 9 | 6300 |
| 10 | 8100 |
| 11 | 10125 |
| 12 | 12375 |
| 13 | 14850 |
| 14 | 17550 |
| 15 | 20475 |
| 16 | 23625 |
| 17 | 27000 |
| 18 | 30600 |
| 19 | 34425 |
| 20 | 38475 |
| 21 | 42750 |
| 22 | 47250 |
| 23 | 51975 |
| 24 | 56925 |
| 25 | 62100 |
| 26 | 67500 |
| 27 | 73125 |
| 28 | 78975 |
| 29 | 85050 |
| 30 | 91350 |
| 31 | 97875 |
| 32 | 104625 |
| 33 | 111600 |
| 34 | 118800 |
| 35 | 126225 |