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 | 802 |
| 2 | 48393 |
| 3 | 643204 |
| 4 | 5592169 |
| 5 | 26346486 |
| 6 | 107053441 |
| 7 | 319477960 |
| 8 | 884303793 |
| 9 | 2058978250 |
| 10 | 4577948761 |
| 11 | 9125970252 |
| 12 | 17627483353 |
| 13 | 31593727774 |
| 14 | 55331109009 |
| 15 | 91774208656 |
| 16 | 149536831201 |
| 17 | 233808185970 |
| 18 | 360429285673 |
| 19 | 537940839700 |