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 | 13 |
| 3 | 41 |
| 4 | 113 |
| 5 | 331 |
| 6 | 443 |
| 7 | 613 |
| 8 | 1103 |
| 9 | 1013 |
| 10 | 1741 |
| 11 | 2543 |
| 12 | 3257 |
| 13 | 3691 |
| 14 | 4129 |
| 15 | 4889 |
| 16 | 6997 |
| 17 | 6491 |
| 18 | 8053 |
| 19 | 8443 |
| 20 | 12071 |
| 21 | 11681 |
| 22 | 12799 |
| 23 | 15439 |
| 24 | 18869 |
| 25 | 20759 |
| 26 | 21211 |
| 27 | 20807 |
| 28 | 27179 |
| 29 | 33791 |
| 30 | 28703 |
| 31 | 37339 |
| 32 | 39301 |
| 33 | 37813 |
| 34 | 53377 |
| 35 | 51853 |
| 36 | 54059 |
| 37 | 62801 |
| 38 | 60637 |
| 39 | 74149 |
| 40 | 72661 |
| 41 | 77687 |
| 42 | 62989 |
| 43 | 81749 |
| 44 | 79903 |
| 45 | 79589 |
| 46 | 109849 |
| 47 | 102547 |