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 | 0 |
| 2 | 2 |
| 3 | 12 |
| 4 | 52 |
| 5 | 128 |
| 6 | 246 |
| 7 | 412 |
| 8 | 667 |
| 9 | 996 |
| 10 | 1458 |
| 11 | 1961 |
| 12 | 2627 |
| 13 | 3409 |
| 14 | 4313 |
| 15 | 5448 |
| 16 | 6739 |
| 17 | 8192 |
| 18 | 9813 |
| 19 | 11608 |
| 20 | 13583 |
| 21 | 15921 |
| 22 | 18477 |
| 23 | 21257 |
| 24 | 24267 |
| 25 | 27513 |
| 26 | 31250 |
| 27 | 35000 |
| 28 | 39283 |
| 29 | 43856 |
| 30 | 48725 |
| 31 | 53896 |
| 32 | 59375 |
| 33 | 65529 |
| 34 | 71658 |
| 35 | 78508 |
| 36 | 85724 |
| 37 | 93312 |
| 38 | 101278 |
| 39 | 109628 |
| 40 | 118368 |