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 | 19 |
| 2 | 282 |
| 3 | 3763 |
| 4 | 47294 |
| 5 | 571950 |
| 6 | 6733668 |
| 7 | 77723187 |
| 8 | 883589238 |
| 9 | 9924844474 |
| 10 | 110396411372 |
| 11 | 1218075749934 |
| 12 | 13348677037868 |
| 13 | 145438914042172 |
| 14 | 1576690043132376 |
| 15 | 17018212213758771 |
| 16 | 182983432175308710 |
| 17 | 1960781840268630786 |
| 18 | 20947171352106580284 |
| 19 | 223169444039365834362 |