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 | 45 |
| 2 | 90 |
| 3 | 675 |
| 4 | 885 |
| 5 | 3030 |
| 6 | 4290 |
| 7 | 6870 |
| 8 | 13410 |
| 9 | 14460 |
| 10 | 15855 |
| 11 | 17850 |
| 12 | 18675 |
| 13 | 20625 |
| 14 | 21885 |
| 15 | 25350 |
| 16 | 26820 |
| 17 | 26925 |
| 18 | 28230 |
| 19 | 30525 |
| 20 | 30705 |
| 21 | 31710 |
| 22 | 31785 |
| 23 | 33375 |
| 24 | 34860 |
| 25 | 41685 |
| 26 | 41940 |
| 27 | 57435 |
| 28 | 63420 |
| 29 | 63570 |
| 30 | 71805 |
| 31 | 74025 |
| 32 | 78585 |
| 33 | 83865 |
| 34 | 85230 |
| 35 | 93075 |