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) |
|---|---|
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 6 |
| 10 | 13 |
| 11 | 26 |
| 12 | 56 |
| 13 | 114 |
| 14 | 244 |
| 15 | 524 |
| 16 | 1152 |
| 17 | 2578 |
| 18 | 5902 |
| 19 | 13750 |
| 20 | 32637 |
| 21 | 78745 |
| 22 | 192755 |
| 23 | 478071 |
| 24 | 1199357 |
| 25 | 3039832 |
| 26 | 7774296 |
| 27 | 20043911 |
| 28 | 52049890 |
| 29 | 136041966 |
| 30 | 357650346 |
| 31 | 945253939 |
| 32 | 2510351950 |
| 33 | 6696412901 |
| 34 | 17935526721 |
| 35 | 48218592753 |
| 36 | 130083292745 |
| 37 | 352068892155 |