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 | 90 |
| 2 | 1770 |
| 3 | 2190 |
| 4 | 10080 |
| 5 | 24360 |
| 6 | 35910 |
| 7 | 156750 |
| 8 | 208620 |
| 9 | 304920 |
| 10 | 306390 |
| 11 | 328020 |
| 12 | 422190 |
| 13 | 526350 |
| 14 | 639330 |
| 15 | 706860 |
| 16 | 866460 |
| 17 | 1030770 |
| 18 | 1111620 |
| 19 | 1147440 |
| 20 | 1151100 |
| 21 | 1447530 |
| 22 | 1769670 |
| 23 | 1793070 |
| 24 | 2024610 |
| 25 | 2320170 |
| 26 | 2335080 |
| 27 | 2403570 |