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 | 3 |
| 2 | 19 |
| 3 | 47 |
| 4 | 149 |
| 5 | 199 |
| 6 | 233 |
| 7 | 353 |
| 8 | 563 |
| 9 | 607 |
| 10 | 709 |
| 11 | 919 |
| 12 | 1013 |
| 13 | 1361 |
| 14 | 1367 |
| 15 | 1697 |
| 16 | 1801 |
| 17 | 1871 |
| 18 | 2137 |
| 19 | 2203 |
| 20 | 2819 |
| 21 | 2879 |
| 22 | 2917 |
| 23 | 3041 |
| 24 | 3229 |
| 25 | 3449 |
| 26 | 3701 |
| 27 | 3943 |
| 28 | 4093 |
| 29 | 4111 |
| 30 | 4177 |
| 31 | 4567 |
| 32 | 4973 |
| 33 | 5519 |
| 34 | 5689 |
| 35 | 5987 |
| 36 | 6053 |
| 37 | 6359 |
| 38 | 6421 |
| 39 | 6841 |
| 40 | 7019 |
| 41 | 7283 |
| 42 | 8647 |
| 43 | 8951 |
| 44 | 9109 |
| 45 | 9719 |