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 | 4 |
| 2 | 8 |
| 3 | 21 |
| 4 | 41 |
| 5 | 99 |
| 6 | 141 |
| 7 | 238 |
| 8 | 297 |
| 9 | 431 |
| 10 | 690 |
| 11 | 794 |
| 12 | 1136 |
| 13 | 1384 |
| 14 | 1524 |
| 15 | 1806 |
| 16 | 2304 |
| 17 | 2846 |
| 18 | 3076 |
| 19 | 3699 |
| 20 | 4137 |
| 21 | 4406 |
| 22 | 5128 |
| 23 | 5645 |
| 24 | 6499 |
| 25 | 7755 |
| 26 | 8401 |
| 27 | 8721 |
| 28 | 9393 |
| 29 | 9783 |
| 30 | 10513 |
| 31 | 13280 |
| 32 | 14095 |
| 33 | 15443 |
| 34 | 15871 |
| 35 | 18232 |
| 36 | 18756 |
| 37 | 20320 |
| 38 | 21873 |
| 39 | 22875 |
| 40 | 24604 |
| 41 | 26274 |
| 42 | 27002 |
| 43 | 29982 |
| 44 | 30684 |