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 | 0 |
| 1 | 3 |
| 2 | 16 |
| 3 | 20 |
| 4 | 1105 |
| 5 | 1615 |
| 6 | 1940 |
| 7 | 2825 |
| 8 | 5681 |
| 9 | 6955 |
| 10 | 7885 |
| 11 | 10261 |
| 12 | 11850 |
| 13 | 13055 |
| 14 | 14953 |
| 15 | 26676 |
| 16 | 33631 |
| 17 | 34830 |
| 18 | 39406 |
| 19 | 40021 |
| 20 | 46566 |
| 21 | 62910 |
| 22 | 76330 |
| 23 | 79953 |
| 24 | 80828 |
| 25 | 90025 |
| 26 | 110828 |
| 27 | 112271 |
| 28 | 112996 |
| 29 | 116340 |
| 30 | 126116 |
| 31 | 153065 |
| 32 | 165126 |
| 33 | 175828 |
| 34 | 205030 |
| 35 | 218953 |