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 | 61 |
| 2 | 151 |
| 3 | 211 |
| 4 | 331 |
| 5 | 571 |
| 6 | 691 |
| 7 | 1231 |
| 8 | 1291 |
| 9 | 1831 |
| 10 | 2011 |
| 11 | 2131 |
| 12 | 2371 |
| 13 | 2671 |
| 14 | 3271 |
| 15 | 3391 |
| 16 | 3931 |
| 17 | 4111 |
| 18 | 5011 |
| 19 | 5431 |
| 20 | 5791 |
| 21 | 6691 |
| 22 | 6871 |
| 23 | 6991 |
| 24 | 8311 |
| 25 | 8431 |
| 26 | 9391 |
| 27 | 9511 |
| 28 | 9931 |
| 29 | 10111 |
| 30 | 10771 |
| 31 | 11491 |
| 32 | 13171 |
| 33 | 13291 |
| 34 | 13711 |
| 35 | 13831 |
| 36 | 14011 |
| 37 | 14731 |
| 38 | 15091 |
| 39 | 15271 |
| 40 | 16231 |
| 41 | 16411 |
| 42 | 17791 |
| 43 | 17971 |