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 | 1 |
| 2 | 152 |
| 3 | 2403 |
| 4 | 17344 |
| 5 | 81125 |
| 6 | 287496 |
| 7 | 840007 |
| 8 | 2129408 |
| 9 | 4841289 |
| 10 | 10099000 |
| 11 | 19646891 |
| 12 | 36078912 |
| 13 | 63117613 |
| 14 | 105948584 |
| 15 | 171615375 |
| 16 | 269479936 |
| 17 | 411753617 |
| 18 | 614103768 |
| 19 | 896340979 |
| 20 | 1283192000 |
| 21 | 1805163381 |
| 22 | 2499500872 |
| 23 | 3411249623 |
| 24 | 4594420224 |
| 25 | 6113265625 |
| 26 | 8043673976 |