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 | 128 |
| 2 | 1576 |
| 3 | 17296 |
| 4 | 207184 |
| 5 | 2537024 |
| 6 | 31155004 |
| 7 | 384996502 |
| 8 | 4786979780 |
| 9 | 59791891464 |
| 10 | 749603860520 |
| 11 | 9427927830076 |
| 12 | 118904758131236 |
| 13 | 1503198371854568 |
| 14 | 19043136745799960 |
| 15 | 241690849746856584 |
| 16 | 3072505406058890180 |