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 | 4 |
| 2 | 5 |
| 3 | 6 |
| 4 | 7 |
| 5 | 9 |
| 6 | 11 |
| 7 | 14 |
| 8 | 19 |
| 9 | 26 |
| 10 | 38 |
| 11 | 46 |
| 12 | 62 |
| 13 | 70 |
| 14 | 74 |
| 15 | 86 |
| 16 | 94 |
| 17 | 118 |
| 18 | 134 |
| 19 | 194 |
| 20 | 206 |
| 21 | 278 |
| 22 | 286 |
| 23 | 566 |
| 24 | 598 |
| 25 | 778 |
| 26 | 842 |
| 27 | 934 |
| 28 | 1006 |
| 29 | 1082 |
| 30 | 1214 |
| 31 | 1238 |
| 32 | 1546 |
| 33 | 1574 |
| 34 | 1726 |
| 35 | 1858 |
| 36 | 2018 |
| 37 | 2278 |
| 38 | 2474 |
| 39 | 2774 |
| 40 | 3142 |
| 41 | 3686 |