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 | 216 |
| 2 | 8532 |
| 3 | 275796 |
| 4 | 8317996 |
| 5 | 240647068 |
| 6 | 6766301156 |
| 7 | 186315931804 |
| 8 | 5049212790572 |
| 9 | 135126561336764 |
| 10 | 3579710280903028 |
| 11 | 94040960852579428 |
| 12 | 2453204481574556084 |
| 13 | 63613980689923027716 |
| 14 | 1641094486943583990844 |
| 15 | 42147014968744168530996 |