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 | 2 |
| 2 | 42 |
| 3 | 92 |
| 4 | 436 |
| 5 | 942 |
| 6 | 2402 |
| 7 | 16942 |
| 8 | 52942 |
| 9 | 266192 |
| 10 | 2018892 |
| 11 | 3069442 |
| 12 | 14242355 |
| 13 | 44559402 |
| 14 | 207156367 |
| 15 | 206524022 |
| 16 | 2663151915 |
| 17 | 5415821442 |
| 18 | 7298885092 |
| 19 | 33777876942 |
| 20 | 441138374692 |
| 21 | 1690359374442 |
| 22 | 1316916061361 |