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 | 216 |
| 2 | 143100 |
| 3 | 194760 |
| 4 | 206136 |
| 5 | 273420 |
| 6 | 684900 |
| 7 | 807660 |
| 8 | 1373940 |
| 9 | 1391760 |
| 10 | 1516536 |
| 11 | 1591596 |
| 12 | 1611000 |
| 13 | 1774800 |
| 14 | 1882980 |
| 15 | 1891764 |
| 16 | 2046456 |
| 17 | 2051496 |
| 18 | 2163420 |
| 19 | 2163960 |
| 20 | 2338056 |
| 21 | 2359980 |
| 22 | 2522520 |
| 23 | 2913840 |
| 24 | 3108204 |
| 25 | 4221756 |
| 26 | 4297320 |
| 27 | 4334940 |
| 28 | 4866120 |
| 29 | 4988880 |
| 30 | 5108796 |
| 31 | 5247144 |
| 32 | 5606244 |
| 33 | 5996844 |