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 | 5 |
| 2 | 11 |
| 3 | 23 |
| 4 | 83 |
| 5 | 179 |
| 6 | 359 |
| 7 | 719 |
| 8 | 1019 |
| 9 | 1439 |
| 10 | 2039 |
| 11 | 2063 |
| 12 | 2459 |
| 13 | 2819 |
| 14 | 2903 |
| 15 | 2963 |
| 16 | 3023 |
| 17 | 3623 |
| 18 | 3779 |
| 19 | 3803 |
| 20 | 3863 |
| 21 | 4919 |
| 22 | 5399 |
| 23 | 5639 |
| 24 | 6899 |
| 25 | 6983 |
| 26 | 7079 |
| 27 | 7643 |
| 28 | 7823 |
| 29 | 10163 |
| 30 | 10799 |
| 31 | 10883 |
| 32 | 11699 |
| 33 | 12203 |
| 34 | 12263 |
| 35 | 12899 |
| 36 | 14159 |
| 37 | 14303 |
| 38 | 14699 |
| 39 | 15803 |
| 40 | 17939 |