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 | 227304 |
| 2 | 660078 |
| 3 | 724150 |
| 4 | 1266696 |
| 5 | 1571870 |
| 6 | 2302644 |
| 7 | 2809920 |
| 8 | 2819160 |
| 9 | 3863088 |
| 10 | 4844886 |
| 11 | 5755080 |
| 12 | 11574906 |
| 13 | 11882976 |
| 14 | 14971620 |
| 15 | 17526744 |
| 16 | 17744130 |
| 17 | 18886434 |
| 18 | 22177052 |
| 19 | 26324484 |
| 20 | 27507192 |
| 21 | 29899260 |
| 22 | 31863798 |
| 23 | 35716842 |
| 24 | 35963850 |
| 25 | 39851304 |
| 26 | 41436306 |
| 27 | 41490900 |