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 | 5 |
| 2 | 13 |
| 3 | 109 |
| 4 | 163 |
| 5 | 257 |
| 6 | 271 |
| 7 | 379 |
| 8 | 433 |
| 9 | 487 |
| 10 | 541 |
| 11 | 769 |
| 12 | 3329 |
| 13 | 7681 |
| 14 | 7937 |
| 15 | 9473 |
| 16 | 10753 |
| 17 | 11777 |
| 18 | 12289 |
| 19 | 13313 |
| 20 | 14081 |
| 21 | 14593 |
| 22 | 15361 |
| 23 | 17921 |
| 24 | 18433 |
| 25 | 19457 |
| 26 | 22273 |
| 27 | 23041 |
| 28 | 23297 |
| 29 | 25601 |
| 30 | 26113 |
| 31 | 26881 |
| 32 | 30977 |
| 33 | 31489 |
| 34 | 32257 |
| 35 | 36097 |
| 36 | 36353 |
| 37 | 37501 |
| 38 | 37633 |
| 39 | 37889 |
| 40 | 39937 |
| 41 | 40193 |