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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 8 |
| 8 | 16 |
| 9 | 80 |
| 10 | 160 |
| 11 | 480 |
| 12 | 960 |
| 13 | 2240 |
| 14 | 4480 |
| 15 | 8960 |
| 16 | 17920 |
| 17 | 32256 |
| 18 | 64512 |
| 19 | 107520 |
| 20 | 215040 |
| 21 | 337920 |
| 22 | 675840 |
| 23 | 1013760 |
| 24 | 2027520 |
| 25 | 2928640 |
| 26 | 5857280 |
| 27 | 8200192 |
| 28 | 16400384 |
| 29 | 22364160 |
| 30 | 44728320 |
| 31 | 59637760 |
| 32 | 119275520 |
| 33 | 155975680 |
| 34 | 311951360 |
| 35 | 401080320 |
| 36 | 802160640 |
| 37 | 1016070144 |
| 38 | 2032140288 |