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 | 27 |
| 2 | 111 |
| 3 | 251 |
| 4 | 447 |
| 5 | 699 |
| 6 | 1007 |
| 7 | 1371 |
| 8 | 1791 |
| 9 | 2267 |
| 10 | 2799 |
| 11 | 3387 |
| 12 | 4031 |
| 13 | 4731 |
| 14 | 5487 |
| 15 | 6299 |
| 16 | 7167 |
| 17 | 8091 |
| 18 | 9071 |
| 19 | 10107 |
| 20 | 11199 |
| 21 | 12347 |
| 22 | 13551 |
| 23 | 14811 |
| 24 | 16127 |
| 25 | 17499 |
| 26 | 18927 |
| 27 | 20411 |
| 28 | 21951 |
| 29 | 23547 |
| 30 | 25199 |
| 31 | 26907 |
| 32 | 28671 |
| 33 | 30491 |
| 34 | 32367 |
| 35 | 34299 |
| 36 | 36287 |
| 37 | 38331 |
| 38 | 40431 |
| 39 | 42587 |
| 40 | 44799 |
| 41 | 47067 |