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 | 180 |
| 2 | 252 |
| 3 | 396 |
| 4 | 468 |
| 5 | 612 |
| 6 | 684 |
| 7 | 828 |
| 8 | 1044 |
| 9 | 1116 |
| 10 | 1260 |
| 11 | 1332 |
| 12 | 1476 |
| 13 | 1548 |
| 14 | 1692 |
| 15 | 1908 |
| 16 | 1980 |
| 17 | 2124 |
| 18 | 2196 |
| 19 | 2340 |
| 20 | 2412 |
| 21 | 2556 |
| 22 | 2628 |
| 23 | 2772 |
| 24 | 2844 |
| 25 | 2988 |
| 26 | 3060 |
| 27 | 3204 |
| 28 | 3276 |
| 29 | 3420 |
| 30 | 3492 |
| 31 | 3636 |
| 32 | 3708 |
| 33 | 3852 |
| 34 | 3924 |
| 35 | 4068 |
| 36 | 4140 |
| 37 | 4284 |
| 38 | 4572 |
| 39 | 4716 |