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 | 1071 |
| 2 | 1149 |
| 3 | 1183 |
| 4 | 1401 |
| 5 | 1509 |
| 6 | 1611 |
| 7 | 1771 |
| 8 | 1773 |
| 9 | 1809 |
| 10 | 1891 |
| 11 | 1921 |
| 12 | 2071 |
| 13 | 2149 |
| 14 | 2183 |
| 15 | 2401 |
| 16 | 2509 |
| 17 | 2611 |
| 18 | 2771 |
| 19 | 2773 |
| 20 | 2809 |
| 21 | 2891 |
| 22 | 2921 |
| 23 | 3071 |
| 24 | 3149 |
| 25 | 3183 |
| 26 | 3401 |
| 27 | 3509 |
| 28 | 3611 |
| 29 | 3771 |
| 30 | 3773 |
| 31 | 3809 |
| 32 | 3891 |
| 33 | 3921 |
| 34 | 4071 |
| 35 | 4149 |
| 36 | 4183 |
| 37 | 4401 |
| 38 | 4509 |
| 39 | 4611 |
| 40 | 4771 |
| 41 | 4773 |
| 42 | 4809 |
| 43 | 4891 |
| 44 | 4921 |
| 45 | 5071 |