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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 8 |
| 7 | 18 |
| 8 | 36 |
| 9 | 98 |
| 10 | 114 |
| 11 | 134 |
| 12 | 138 |
| 13 | 212 |
| 14 | 252 |
| 15 | 516 |
| 16 | 1166 |
| 17 | 2321 |
| 18 | 2442 |
| 19 | 2732 |
| 20 | 4569 |
| 21 | 8622 |
| 22 | 8709 |
| 23 | 16487 |
| 24 | 22722 |
| 25 | 25242 |
| 26 | 29928 |
| 27 | 32034 |
| 28 | 33783 |
| 29 | 34001 |
| 30 | 44934 |
| 31 | 50868 |
| 32 | 77861 |
| 33 | 90188 |
| 34 | 102102 |
| 35 | 171843 |
| 36 | 178226 |
| 37 | 273521 |