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 | 2 |
| 2 | 13 |
| 3 | 19 |
| 4 | 40 |
| 5 | 73 |
| 6 | 141 |
| 7 | 240 |
| 8 | 428 |
| 9 | 779 |
| 10 | 1531 |
| 11 | 2989 |
| 12 | 5729 |
| 13 | 10760 |
| 14 | 20205 |
| 15 | 38568 |
| 16 | 74861 |
| 17 | 144345 |
| 18 | 276668 |
| 19 | 528526 |
| 20 | 1012806 |
| 21 | 1946937 |
| 22 | 3753744 |
| 23 | 7220044 |
| 24 | 13870376 |
| 25 | 26646526 |
| 26 | 51244788 |
| 27 | 98611858 |
| 28 | 189814459 |
| 29 | 365167476 |
| 30 | 702384337 |
| 31 | 1351233021 |
| 32 | 2600175921 |