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 | 4 |
| 2 | 40 |
| 3 | 180 |
| 4 | 544 |
| 5 | 1280 |
| 6 | 2592 |
| 7 | 4732 |
| 8 | 7968 |
| 9 | 12636 |
| 10 | 19120 |
| 11 | 27808 |
| 12 | 39168 |
| 13 | 53716 |
| 14 | 71960 |
| 15 | 94500 |
| 16 | 121984 |
| 17 | 155040 |
| 18 | 194400 |
| 19 | 240844 |
| 20 | 295120 |
| 21 | 358092 |
| 22 | 430672 |
| 23 | 513728 |
| 24 | 608256 |
| 25 | 715300 |
| 26 | 835848 |
| 27 | 971028 |
| 28 | 1122016 |
| 29 | 1289920 |
| 30 | 1476000 |
| 31 | 1681564 |
| 32 | 1907840 |
| 33 | 2156220 |
| 34 | 2428144 |
| 35 | 2724960 |