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 | 1 |
| 2 | 23 |
| 3 | 1442 |
| 4 | 176843 |
| 5 | 36046214 |
| 6 | 11023248678 |
| 7 | 4719570364004 |
| 8 | 2693983725947891 |
| 9 | 1976997422623843358 |
| 10 | 1813499364725872444178 |
| 11 | 2033181299894696684493980 |
| 12 | 2735368952738645928181452734 |
| 13 | 4349180440965667221581315433212 |
| 14 | 8067655677482008559181766540571948 |