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 | 17 |
| 4 | 47 |
| 5 | 107 |
| 6 | 167 |
| 7 | 197 |
| 8 | 241 |
| 9 | 257 |
| 10 | 317 |
| 11 | 347 |
| 12 | 421 |
| 13 | 541 |
| 14 | 557 |
| 15 | 571 |
| 16 | 677 |
| 17 | 751 |
| 18 | 827 |
| 19 | 947 |
| 20 | 1097 |
| 21 | 1171 |
| 22 | 1217 |
| 23 | 1291 |
| 24 | 1307 |
| 25 | 1367 |
| 26 | 1427 |
| 27 | 1607 |
| 28 | 1621 |
| 29 | 1847 |
| 30 | 1861 |
| 31 | 1877 |
| 32 | 2011 |
| 33 | 2027 |
| 34 | 2207 |
| 35 | 2221 |
| 36 | 2251 |
| 37 | 2267 |
| 38 | 2297 |
| 39 | 2341 |
| 40 | 2417 |
| 41 | 2477 |
| 42 | 2521 |
| 43 | 2657 |
| 44 | 2671 |
| 45 | 2851 |
| 46 | 2927 |
| 47 | 2971 |
| 48 | 3257 |
| 49 | 3271 |
| 50 | 3361 |
| 51 | 3391 |
| 52 | 3541 |
| 53 | 3557 |
| 54 | 3571 |