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 | 41 |
| 2 | 157 |
| 3 | 401 |
| 4 | 2381 |
| 5 | 12721 |
| 6 | 25261 |
| 7 | 81401 |
| 8 | 499361 |
| 9 | 712981 |
| 10 | 1455781 |
| 11 | 2705081 |
| 12 | 4357481 |
| 13 | 7226501 |
| 14 | 7684381 |
| 15 | 7920401 |
| 16 | 12061661 |
| 17 | 12703861 |
| 18 | 21330941 |
| 19 | 22745561 |
| 20 | 31955821 |
| 21 | 49565921 |
| 22 | 54583961 |
| 23 | 59015581 |
| 24 | 127517041 |
| 25 | 237560441 |
| 26 | 384769841 |
| 27 | 455348741 |
| 28 | 506897581 |
| 29 | 570410861 |
| 30 | 591294481 |
| 31 | 866432341 |
| 32 | 905167121 |