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 | 1 |
| 2 | 106 |
| 3 | 345 |
| 4 | 122130 |
| 5 | 397937 |
| 6 | 140937722 |
| 7 | 459218761 |
| 8 | 162642008866 |
| 9 | 529938052065 |
| 10 | 187688737293450 |
| 11 | 611548052864057 |
| 12 | 216592640194632242 |
| 13 | 705725923067069521 |
| 14 | 249947719095868313626 |
| 15 | 814407103671345362985 |
| 16 | 288439451243991839291970 |