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) |
|---|---|
| 5 | 72 |
| 6 | 4824 |
| 7 | 32256 |
| 8 | 127008 |
| 9 | 378000 |
| 10 | 940464 |
| 11 | 2062368 |
| 12 | 4115232 |
| 13 | 7629336 |
| 14 | 13333320 |
| 15 | 22198176 |
| 16 | 35485632 |
| 17 | 54800928 |
| 18 | 82149984 |
| 19 | 120000960 |
| 20 | 171350208 |
| 21 | 239792616 |
| 22 | 329596344 |
| 23 | 445781952 |
| 24 | 594205920 |
| 25 | 781648560 |
| 26 | 1015906320 |
| 27 | 1305888480 |
| 28 | 1661718240 |
| 29 | 2094838200 |
| 30 | 2618120232 |