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 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 11 |
| 5 | 13 |
| 6 | 19 |
| 7 | 23 |
| 8 | 31 |
| 9 | 47 |
| 10 | 97 |
| 11 | 101 |
| 12 | 113 |
| 13 | 131 |
| 14 | 151 |
| 15 | 181 |
| 16 | 227 |
| 17 | 307 |
| 18 | 457 |
| 19 | 907 |
| 20 | 1009 |
| 21 | 1129 |
| 22 | 1289 |
| 23 | 1511 |
| 24 | 1801 |
| 25 | 2251 |
| 26 | 3001 |
| 27 | 4507 |
| 28 | 9001 |
| 29 | 10007 |
| 30 | 11251 |
| 31 | 12889 |
| 32 | 15013 |
| 33 | 18013 |
| 34 | 22501 |
| 35 | 30011 |
| 36 | 45007 |
| 37 | 90001 |
| 38 | 100003 |
| 39 | 112501 |
| 40 | 128591 |
| 41 | 150001 |
| 42 | 180001 |
| 43 | 225023 |
| 44 | 300007 |
| 45 | 450001 |