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 | 13 |
| 2 | 17 |
| 3 | 19 |
| 4 | 1013 |
| 5 | 1019 |
| 6 | 1021 |
| 7 | 1213 |
| 8 | 1217 |
| 9 | 1319 |
| 10 | 1321 |
| 11 | 1613 |
| 12 | 1619 |
| 13 | 1621 |
| 14 | 1721 |
| 15 | 1913 |
| 16 | 2113 |
| 17 | 2213 |
| 18 | 101419 |
| 19 | 101513 |
| 20 | 101531 |
| 21 | 101719 |
| 22 | 101917 |
| 23 | 102217 |
| 24 | 102929 |
| 25 | 121013 |
| 26 | 121019 |
| 27 | 121531 |
| 28 | 121631 |
| 29 | 121931 |
| 30 | 131519 |
| 31 | 131617 |
| 32 | 132929 |
| 33 | 141319 |