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 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 8 |
| 5 | 12 |
| 6 | 13 |
| 7 | 15 |
| 8 | 17 |
| 9 | 19 |
| 10 | 1063 |
| 11 | 1155 |
| 12 | 2574 |
| 13 | 2662 |
| 14 | 3595 |
| 15 | 3723 |
| 16 | 4370 |
| 17 | 21530 |
| 18 | 28927 |
| 19 | 32662 |
| 20 | 73255 |
| 21 | 92895 |
| 22 | 5133189 |
| 23 | 13626701 |
| 24 | 17852908 |
| 25 | 392678721 |
| 26 | 715595109 |
| 27 | 3993107840 |
| 28 | 39941257169 |
| 29 | 43578446054 |
| 30 | 1686996293054 |
| 31 | 4244526044926 |
| 32 | 78467829696572 |
| 33 | 111290944386765 |