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 | 16032 |
| 4 | 292776 |
| 5 | 1400168 |
| 6 | 3807828 |
| 7 | 7700944 |
| 8 | 13082348 |
| 9 | 19910456 |
| 10 | 28160124 |
| 11 | 37824352 |
| 12 | 48902340 |
| 13 | 61394088 |
| 14 | 75299596 |
| 15 | 90618864 |
| 16 | 107351892 |
| 17 | 125498680 |
| 18 | 145059228 |
| 19 | 166033536 |
| 20 | 188421604 |
| 21 | 212223432 |
| 22 | 237439020 |
| 23 | 264068368 |
| 24 | 292111476 |