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 | 0 |
| 1 | 0 |
| 2 | 10 |
| 3 | 24 |
| 4 | 68 |
| 5 | 120 |
| 6 | 222 |
| 7 | 336 |
| 8 | 520 |
| 9 | 720 |
| 10 | 994 |
| 11 | 1336 |
| 12 | 1740 |
| 13 | 2200 |
| 14 | 2742 |
| 15 | 3360 |
| 16 | 4112 |
| 17 | 4896 |
| 18 | 5850 |
| 19 | 6872 |
| 20 | 8020 |
| 21 | 9272 |
| 22 | 10638 |
| 23 | 12176 |
| 24 | 13848 |
| 25 | 15632 |
| 26 | 17586 |
| 27 | 19704 |
| 28 | 21980 |
| 29 | 24408 |
| 30 | 26982 |
| 31 | 29760 |
| 32 | 32800 |
| 33 | 35904 |
| 34 | 39338 |
| 35 | 42840 |
| 36 | 46692 |
| 37 | 50680 |
| 38 | 54910 |
| 39 | 59280 |
| 40 | 64040 |
| 41 | 68880 |
| 42 | 74050 |
| 43 | 79544 |