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 | 7 |
| 2 | 12 |
| 3 | 19 |
| 4 | 28 |
| 5 | 53 |
| 6 | 55 |
| 7 | 56 |
| 8 | 88 |
| 9 | 99 |
| 10 | 117 |
| 11 | 129 |
| 12 | 189 |
| 13 | 190 |
| 14 | 203 |
| 15 | 241 |
| 16 | 243 |
| 17 | 352 |
| 18 | 377 |
| 19 | 380 |
| 20 | 423 |
| 21 | 576 |
| 22 | 687 |
| 23 | 798 |
| 24 | 799 |
| 25 | 918 |
| 26 | 1036 |
| 27 | 1170 |
| 28 | 1441 |
| 29 | 1566 |
| 30 | 1799 |
| 31 | 2150 |
| 32 | 2259 |
| 33 | 2393 |
| 34 | 2528 |
| 35 | 2576 |
| 36 | 2825 |
| 37 | 3149 |
| 38 | 3374 |
| 39 | 3582 |
| 40 | 4508 |
| 41 | 4804 |
| 42 | 5166 |
| 43 | 6455 |
| 44 | 6805 |
| 45 | 8448 |
| 46 | 8776 |
| 47 | 9296 |
| 48 | 9675 |
| 49 | 9784 |