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 | 100 |
| 3 | 158 |
| 4 | 556 |
| 5 | 1866 |
| 6 | 5804 |
| 7 | 18528 |
| 8 | 59888 |
| 9 | 191484 |
| 10 | 612874 |
| 11 | 1966402 |
| 12 | 6301118 |
| 13 | 20187672 |
| 14 | 64705162 |
| 15 | 207369486 |
| 16 | 664535672 |
| 17 | 2129687696 |
| 18 | 6825166670 |
| 19 | 21872797724 |
| 20 | 70096742330 |
| 21 | 224642588748 |
| 22 | 719921959060 |
| 23 | 2307166259316 |
| 24 | 7393882758084 |