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 | 87539319 |
| 2 | 119824488 |
| 3 | 143604279 |
| 4 | 175959000 |
| 5 | 327763000 |
| 6 | 700314552 |
| 7 | 804360375 |
| 8 | 958595904 |
| 9 | 1148834232 |
| 10 | 1407672000 |
| 11 | 1840667192 |
| 12 | 1915865217 |
| 13 | 2363561613 |
| 14 | 2622104000 |
| 15 | 3080802816 |
| 16 | 3235261176 |
| 17 | 3499524728 |
| 18 | 3623721192 |
| 19 | 3877315533 |
| 20 | 4750893000 |
| 21 | 5544709352 |
| 22 | 5602516416 |