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 | 11 |
| 2 | 23 |
| 3 | 47 |
| 4 | 167 |
| 5 | 359 |
| 6 | 719 |
| 7 | 1439 |
| 8 | 2039 |
| 9 | 2879 |
| 10 | 4079 |
| 11 | 4127 |
| 12 | 4919 |
| 13 | 5639 |
| 14 | 5807 |
| 15 | 5927 |
| 16 | 6047 |
| 17 | 7247 |
| 18 | 7559 |
| 19 | 7607 |
| 20 | 7727 |
| 21 | 9839 |
| 22 | 10799 |
| 23 | 11279 |
| 24 | 13799 |
| 25 | 13967 |
| 26 | 14159 |
| 27 | 15287 |
| 28 | 15647 |
| 29 | 20327 |
| 30 | 21599 |
| 31 | 21767 |
| 32 | 23399 |
| 33 | 24407 |
| 34 | 24527 |
| 35 | 25799 |
| 36 | 28319 |
| 37 | 28607 |
| 38 | 29399 |