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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 6 |
| 8 | 16 |
| 9 | 18 |
| 10 | 40 |
| 11 | 62 |
| 12 | 160 |
| 13 | 210 |
| 14 | 448 |
| 15 | 660 |
| 16 | 2048 |
| 17 | 2570 |
| 18 | 5184 |
| 19 | 9198 |
| 20 | 24672 |
| 21 | 32508 |
| 22 | 76032 |
| 23 | 121574 |
| 24 | 344064 |
| 25 | 405000 |
| 26 | 1005888 |
| 27 | 1569780 |
| 28 | 4511520 |
| 29 | 6066336 |
| 30 | 12672000 |
| 31 | 23091222 |
| 32 | 67004160 |
| 33 | 85342752 |
| 34 | 200422656 |
| 35 | 289531200 |
| 36 | 892477440 |