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 | 1 |
| 3 | 16 |
| 4 | 99 |
| 5 | 352 |
| 6 | 925 |
| 7 | 2016 |
| 8 | 3871 |
| 9 | 6784 |
| 10 | 11097 |
| 11 | 17200 |
| 12 | 25531 |
| 13 | 36576 |
| 14 | 50869 |
| 15 | 68992 |
| 16 | 91575 |
| 17 | 119296 |
| 18 | 152881 |
| 19 | 193104 |
| 20 | 240787 |
| 21 | 296800 |
| 22 | 362061 |
| 23 | 437536 |
| 24 | 524239 |
| 25 | 623232 |
| 26 | 735625 |
| 27 | 862576 |
| 28 | 1005291 |
| 29 | 1165024 |
| 30 | 1343077 |
| 31 | 1540800 |
| 32 | 1759591 |
| 33 | 2000896 |
| 34 | 2266209 |
| 35 | 2557072 |
| 36 | 2875075 |
| 37 | 3221856 |
| 38 | 3599101 |
| 39 | 4008544 |
| 40 | 4451967 |