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 | 5 |
| 3 | 34 |
| 4 | 63 |
| 5 | 76 |
| 6 | 128 |
| 7 | 136 |
| 8 | 170 |
| 9 | 315 |
| 10 | 364 |
| 11 | 380 |
| 12 | 444 |
| 13 | 640 |
| 14 | 680 |
| 15 | 972 |
| 16 | 1820 |
| 17 | 1824 |
| 18 | 1836 |
| 19 | 2142 |
| 20 | 2220 |
| 21 | 4788 |
| 22 | 4860 |
| 23 | 6000 |
| 24 | 8064 |
| 25 | 8568 |
| 26 | 8736 |
| 27 | 9120 |
| 28 | 9180 |
| 29 | 10710 |
| 30 | 23940 |
| 31 | 40320 |
| 32 | 42840 |
| 33 | 43680 |