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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 43 |
| 7 | 117 |
| 8 | 229 |
| 9 | 385 |
| 10 | 591 |
| 11 | 853 |
| 12 | 5789 |
| 13 | 17163 |
| 14 | 40521 |
| 15 | 84211 |
| 16 | 160143 |
| 17 | 284639 |
| 18 | 945352 |
| 19 | 2743255 |
| 20 | 7017326 |
| 21 | 16250983 |
| 22 | 34801374 |
| 23 | 69959957 |
| 24 | 179843441 |
| 25 | 479965811 |
| 26 | 1238082783 |
| 27 | 3015746329 |
| 28 | 6925030997 |
| 29 | 15065972891 |
| 30 | 35869626723 |
| 31 | 89673470947 |
| 32 | 226122534275 |