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 | 3 |
| 1 | 4 |
| 2 | 4 |
| 3 | 6 |
| 4 | 12 |
| 5 | 15 |
| 6 | 45 |
| 7 | 49 |
| 8 | 196 |
| 9 | 201 |
| 10 | 1005 |
| 11 | 1011 |
| 12 | 6066 |
| 13 | 6073 |
| 14 | 42511 |
| 15 | 42519 |
| 16 | 340152 |
| 17 | 340161 |
| 18 | 3061449 |
| 19 | 3061459 |
| 20 | 30614590 |
| 21 | 30614601 |
| 22 | 336760611 |
| 23 | 336760623 |
| 24 | 4041127476 |
| 25 | 4041127489 |
| 26 | 52534657357 |
| 27 | 52534657371 |
| 28 | 735485203194 |
| 29 | 735485203209 |
| 30 | 11032278048135 |
| 31 | 11032278048151 |