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 | 840 |
| 2 | 2520 |
| 3 | 4200 |
| 4 | 5880 |
| 5 | 7560 |
| 6 | 9240 |
| 7 | 10920 |
| 8 | 12600 |
| 9 | 14280 |
| 10 | 15960 |
| 11 | 17640 |
| 12 | 19320 |
| 13 | 21000 |
| 14 | 22680 |
| 15 | 24360 |
| 16 | 26040 |
| 17 | 27720 |
| 18 | 29400 |
| 19 | 31080 |
| 20 | 32760 |
| 21 | 34440 |
| 22 | 36120 |
| 23 | 37800 |
| 24 | 39480 |
| 25 | 41160 |
| 26 | 42840 |
| 27 | 44520 |
| 28 | 46200 |
| 29 | 47880 |
| 30 | 49560 |
| 31 | 51240 |
| 32 | 52920 |
| 33 | 54600 |
| 34 | 55440 |
| 35 | 56280 |
| 36 | 57960 |
| 37 | 59640 |
| 38 | 61320 |
| 39 | 63000 |