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 | 6 |
| 2 | 524 |
| 3 | 9872 |
| 4 | 66208 |
| 5 | 289536 |
| 6 | 941086 |
| 7 | 2537024 |
| 8 | 5933492 |
| 9 | 12515772 |
| 10 | 24295760 |
| 11 | 44188086 |
| 12 | 76110890 |
| 13 | 125357152 |
| 14 | 198686606 |
| 15 | 304811136 |
| 16 | 454458544 |
| 17 | 660981870 |
| 18 | 940393644 |
| 19 | 1312104510 |
| 20 | 1798910920 |
| 21 | 2427885688 |
| 22 | 3230300850 |
| 23 | 4242680088 |