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 | 3 |
| 2 | 10 |
| 3 | 6 |
| 4 | 15 |
| 5 | 45 |
| 6 | 66 |
| 7 | 120 |
| 8 | 153 |
| 9 | 231 |
| 10 | 378 |
| 11 | 435 |
| 12 | 630 |
| 13 | 780 |
| 14 | 861 |
| 15 | 1035 |
| 16 | 1326 |
| 17 | 1653 |
| 18 | 1770 |
| 19 | 2145 |
| 20 | 2415 |
| 21 | 2556 |
| 22 | 3003 |
| 23 | 3321 |
| 24 | 3828 |
| 25 | 4560 |
| 26 | 4950 |
| 27 | 5151 |
| 28 | 5565 |
| 29 | 5778 |
| 30 | 6216 |
| 31 | 7875 |
| 32 | 8385 |
| 33 | 9180 |
| 34 | 9453 |
| 35 | 10878 |
| 36 | 11175 |
| 37 | 12090 |
| 38 | 13041 |
| 39 | 13695 |
| 40 | 14706 |
| 41 | 15753 |
| 42 | 16110 |
| 43 | 17955 |
| 44 | 18336 |