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 | 10 |
| 2 | 45 |
| 3 | 136 |
| 4 | 325 |
| 5 | 435 |
| 6 | 595 |
| 7 | 630 |
| 8 | 666 |
| 9 | 780 |
| 10 | 1225 |
| 11 | 2080 |
| 12 | 2145 |
| 13 | 3321 |
| 14 | 5050 |
| 15 | 5565 |
| 16 | 5886 |
| 17 | 6216 |
| 18 | 7381 |
| 19 | 7503 |
| 20 | 9316 |
| 21 | 10440 |
| 22 | 11026 |
| 23 | 11175 |
| 24 | 12246 |
| 25 | 13530 |
| 26 | 14196 |
| 27 | 14365 |
| 28 | 14535 |
| 29 | 15753 |
| 30 | 16653 |
| 31 | 18915 |
| 32 | 19306 |
| 33 | 24310 |
| 34 | 25425 |
| 35 | 32896 |
| 36 | 33670 |
| 37 | 39060 |
| 38 | 41905 |
| 39 | 42195 |
| 40 | 49141 |
| 41 | 50721 |
| 42 | 52650 |