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 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 10 |
| 5 | 26 |
| 6 | 26 |
| 7 | 26 |
| 8 | 26 |
| 9 | 26 |
| 10 | 538 |
| 11 | 538 |
| 12 | 2586 |
| 13 | 6682 |
| 14 | 14874 |
| 15 | 31258 |
| 16 | 64026 |
| 17 | 129562 |
| 18 | 129562 |
| 19 | 391706 |
| 20 | 915994 |
| 21 | 1964570 |
| 22 | 4061722 |
| 23 | 8256026 |
| 24 | 8256026 |
| 25 | 8256026 |
| 26 | 8256026 |
| 27 | 8256026 |
| 28 | 142473754 |
| 29 | 410909210 |
| 30 | 947780122 |
| 31 | 2021521946 |
| 32 | 4169005594 |
| 33 | 8463972890 |
| 34 | 8463972890 |
| 35 | 25643842074 |