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) |
|---|---|
| 0 | 1 |
| 1 | 42 |
| 2 | 462 |
| 3 | 2562 |
| 4 | 9492 |
| 5 | 27174 |
| 6 | 65226 |
| 7 | 137886 |
| 8 | 264936 |
| 9 | 472626 |
| 10 | 794598 |
| 11 | 1272810 |
| 12 | 1958460 |
| 13 | 2912910 |
| 14 | 4208610 |
| 15 | 5930022 |
| 16 | 8174544 |
| 17 | 11053434 |
| 18 | 14692734 |
| 19 | 19234194 |
| 20 | 24836196 |
| 21 | 31674678 |
| 22 | 39944058 |
| 23 | 49858158 |
| 24 | 61651128 |
| 25 | 75578370 |
| 26 | 91917462 |
| 27 | 110969082 |