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 | 225 |
| 4 | 2500 |
| 5 | 7225 |
| 6 | 38025 |
| 7 | 106929 |
| 8 | 314721 |
| 9 | 622521 |
| 10 | 751689 |
| 11 | 1750329 |
| 12 | 3111696 |
| 13 | 6002500 |
| 14 | 7568001 |
| 15 | 8168164 |
| 16 | 8282884 |
| 17 | 10323369 |
| 18 | 11682724 |
| 19 | 12517444 |
| 20 | 23367556 |
| 21 | 23483716 |
| 22 | 25623844 |
| 23 | 28536964 |
| 24 | 33292900 |
| 25 | 39513796 |
| 26 | 61058596 |
| 27 | 73513476 |
| 28 | 74545956 |
| 29 | 94517284 |
| 30 | 105144516 |
| 31 | 112572100 |
| 32 | 112656996 |
| 33 | 132756484 |