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 | 1252216 |
| 2 | 1754536 |
| 3 | 2166136 |
| 4 | 2362360 |
| 5 | 6224890 |
| 6 | 7626136 |
| 7 | 7851256 |
| 8 | 9581320 |
| 9 | 12480160 |
| 10 | 12494856 |
| 11 | 13324311 |
| 12 | 15218560 |
| 13 | 15422536 |
| 14 | 19028296 |
| 15 | 29180466 |
| 16 | 36716680 |
| 17 | 37542190 |
| 18 | 40682824 |
| 19 | 45131416 |
| 20 | 45495352 |
| 21 | 56523810 |
| 22 | 67195305 |
| 23 | 71570296 |
| 24 | 80524665 |
| 25 | 89740456 |
| 26 | 93182440 |
| 27 | 101304490 |