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 | 315 |
| 2 | 525 |
| 3 | 735 |
| 4 | 1155 |
| 5 | 1365 |
| 6 | 1575 |
| 7 | 1755 |
| 8 | 1785 |
| 9 | 1815 |
| 10 | 1995 |
| 11 | 2145 |
| 12 | 2415 |
| 13 | 2475 |
| 14 | 2805 |
| 15 | 3045 |
| 16 | 3315 |
| 17 | 3465 |
| 18 | 3885 |
| 19 | 4095 |
| 20 | 4125 |
| 21 | 4305 |
| 22 | 4515 |
| 23 | 4725 |
| 24 | 4935 |
| 25 | 5115 |
| 26 | 5145 |
| 27 | 5355 |
| 28 | 5775 |
| 29 | 6045 |
| 30 | 6195 |
| 31 | 6405 |
| 32 | 6435 |
| 33 | 6615 |
| 34 | 6825 |
| 35 | 7035 |
| 36 | 7095 |
| 37 | 7245 |
| 38 | 7395 |
| 39 | 7455 |
| 40 | 7605 |
| 41 | 7665 |
| 42 | 8085 |