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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 13 |
| 3 | 56 |
| 4 | 84 |
| 5 | 312 |
| 6 | 256 |
| 7 | 660 |
| 8 | 800 |
| 9 | 1332 |
| 10 | 1344 |
| 11 | 3458 |
| 12 | 2240 |
| 13 | 3792 |
| 14 | 4836 |
| 15 | 6572 |
| 16 | 4356 |
| 17 | 13440 |
| 18 | 6160 |
| 19 | 16800 |
| 20 | 13312 |
| 21 | 15192 |
| 22 | 11136 |
| 23 | 35685 |
| 24 | 19840 |
| 25 | 25284 |
| 26 | 30976 |
| 27 | 42560 |
| 28 | 22740 |
| 29 | 63648 |
| 30 | 30464 |
| 31 | 71820 |
| 32 | 51792 |
| 33 | 65664 |
| 34 | 53952 |
| 35 | 111440 |
| 36 | 52136 |
| 37 | 84480 |
| 38 | 99008 |
| 39 | 133560 |
| 40 | 75264 |