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 | 10 |
| 2 | 21 |
| 3 | 187 |
| 4 | 247 |
| 5 | 713 |
| 6 | 1073 |
| 7 | 1927 |
| 8 | 2279 |
| 9 | 3953 |
| 10 | 4331 |
| 11 | 6059 |
| 12 | 7031 |
| 13 | 9991 |
| 14 | 10807 |
| 15 | 13843 |
| 16 | 14803 |
| 17 | 20413 |
| 18 | 20989 |
| 19 | 26219 |
| 20 | 28199 |
| 21 | 34189 |
| 22 | 34933 |
| 23 | 41567 |
| 24 | 44377 |
| 25 | 52891 |
| 26 | 54731 |
| 27 | 61937 |
| 28 | 66013 |
| 29 | 74513 |
| 30 | 76151 |
| 31 | 86881 |
| 32 | 91123 |
| 33 | 103603 |
| 34 | 106829 |
| 35 | 122491 |
| 36 | 125291 |
| 37 | 139093 |
| 38 | 142859 |
| 39 | 155989 |