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 | 4 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 17 |
| 8 | 19 |
| 9 | 23 |
| 10 | 31 |
| 11 | 43 |
| 12 | 61 |
| 13 | 79 |
| 14 | 101 |
| 15 | 127 |
| 16 | 167 |
| 17 | 191 |
| 18 | 199 |
| 19 | 313 |
| 20 | 347 |
| 21 | 701 |
| 22 | 1709 |
| 23 | 2617 |
| 24 | 3539 |
| 25 | 5807 |
| 26 | 10501 |
| 27 | 10691 |
| 28 | 11279 |
| 29 | 12391 |
| 30 | 14479 |
| 31 | 42737 |
| 32 | 83339 |
| 33 | 95369 |
| 34 | 117239 |
| 35 | 127031 |
| 36 | 138937 |
| 37 | 141079 |
| 38 | 267017 |
| 39 | 269987 |
| 40 | 374321 |
| 41 | 986191 |
| 42 | 4031399 |