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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 32 |
| 5 | 35 |
| 6 | 67 |
| 7 | 102 |
| 8 | 1087 |
| 9 | 1189 |
| 10 | 2276 |
| 11 | 3465 |
| 12 | 36926 |
| 13 | 40391 |
| 14 | 77317 |
| 15 | 117708 |
| 16 | 1254397 |
| 17 | 1372105 |
| 18 | 2626502 |
| 19 | 3998607 |
| 20 | 42612572 |
| 21 | 46611179 |
| 22 | 89223751 |
| 23 | 135834930 |
| 24 | 1447573051 |
| 25 | 1583407981 |
| 26 | 3030981032 |
| 27 | 4614389013 |