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) |
|---|---|
| 0 | 1 |
| 1 | 105 |
| 2 | 8575 |
| 3 | 567203 |
| 4 | 32897774 |
| 5 | 1736613466 |
| 6 | 85474679858 |
| 7 | 3985272984490 |
| 8 | 177983686766655 |
| 9 | 7675333342669951 |
| 10 | 321533970710475033 |
| 11 | 13145650587005246037 |
| 12 | 526435406695455725140 |
| 13 | 20710119055883150135480 |
| 14 | 802278112017623387734420 |
| 15 | 30663507276425403310594244 |
| 16 | 1158197029073059563909854477 |