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 | 1 |
| 2 | 120 |
| 3 | 947 |
| 4 | 3652 |
| 5 | 9985 |
| 6 | 22276 |
| 7 | 43435 |
| 8 | 76952 |
| 9 | 126897 |
| 10 | 197920 |
| 11 | 295251 |
| 12 | 424700 |
| 13 | 592657 |
| 14 | 806092 |
| 15 | 1072555 |
| 16 | 1400176 |
| 17 | 1797665 |
| 18 | 2274312 |
| 19 | 2839987 |
| 20 | 3505140 |
| 21 | 4280801 |
| 22 | 5178580 |
| 23 | 6210667 |
| 24 | 7389832 |
| 25 | 8729425 |
| 26 | 10243376 |
| 27 | 11946195 |
| 28 | 13852972 |
| 29 | 15979377 |