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 | 7 |
| 3 | 11 |
| 4 | 23 |
| 5 | 31 |
| 6 | 47 |
| 7 | 79 |
| 8 | 127 |
| 9 | 191 |
| 10 | 223 |
| 11 | 239 |
| 12 | 383 |
| 13 | 479 |
| 14 | 607 |
| 15 | 863 |
| 16 | 991 |
| 17 | 1087 |
| 18 | 1151 |
| 19 | 1279 |
| 20 | 1471 |
| 21 | 1663 |
| 22 | 2111 |
| 23 | 2239 |
| 24 | 2687 |
| 25 | 2879 |
| 26 | 3391 |
| 27 | 3583 |
| 28 | 3967 |
| 29 | 5119 |
| 30 | 5503 |
| 31 | 6143 |
| 32 | 6271 |
| 33 | 6911 |
| 34 | 7039 |
| 35 | 8191 |
| 36 | 8447 |
| 37 | 8831 |
| 38 | 9343 |
| 39 | 10111 |
| 40 | 11519 |
| 41 | 11903 |
| 42 | 12671 |
| 43 | 12799 |
| 44 | 13183 |
| 45 | 13567 |