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 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 19 |
| 5 | 47 |
| 6 | 73 |
| 7 | 113 |
| 8 | 199 |
| 9 | 283 |
| 10 | 467 |
| 11 | 661 |
| 12 | 887 |
| 13 | 1129 |
| 14 | 1327 |
| 15 | 1627 |
| 16 | 2803 |
| 17 | 3947 |
| 18 | 4297 |
| 19 | 5881 |
| 20 | 6379 |
| 21 | 7043 |
| 22 | 9949 |
| 23 | 10343 |
| 24 | 13187 |
| 25 | 15823 |
| 26 | 18461 |
| 27 | 24137 |
| 28 | 33647 |
| 29 | 34763 |
| 30 | 37663 |
| 31 | 42863 |
| 32 | 43067 |
| 33 | 59753 |
| 34 | 59797 |
| 35 | 82619 |
| 36 | 96017 |
| 37 | 102679 |
| 38 | 129643 |
| 39 | 130699 |
| 40 | 142237 |
| 41 | 155893 |
| 42 | 187477 |
| 43 | 194119 |