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 | 16433 |
| 2 | 33191 |
| 3 | 134033 |
| 4 | 6044737 |
| 5 | 40633543 |
| 6 | 50353607 |
| 7 | 268435463 |
| 8 | 268437857 |
| 9 | 268452263 |
| 10 | 274200257 |
| 11 | 1977343127 |
| 12 | 2245762199 |
| 13 | 2494358231 |
| 14 | 4471684631 |
| 15 | 4586471767 |
| 16 | 13841567137 |
| 17 | 21870016807 |
| 18 | 21870117649 |
| 19 | 52523350487 |
| 20 | 54500676887 |
| 21 | 78364166497 |
| 22 | 92205451297 |
| 23 | 97157445863 |