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 | 3 |
| 2 | 36 |
| 3 | 969 |
| 4 | 46376 |
| 5 | 3478761 |
| 6 | 377447148 |
| 7 | 56017460733 |
| 8 | 10912535409348 |
| 9 | 2703343379981793 |
| 10 | 830496702831140346 |
| 11 | 310006778438284515093 |
| 12 | 138247735223480364826280 |
| 13 | 72613463426660610635960445 |