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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 15 |
| 6 | 20 |
| 7 | 48 |
| 8 | 65 |
| 9 | 119 |
| 10 | 166 |
| 11 | 348 |
| 12 | 367 |
| 13 | 827 |
| 14 | 974 |
| 15 | 1494 |
| 16 | 2135 |
| 17 | 3913 |
| 18 | 4038 |
| 19 | 7936 |
| 20 | 8247 |
| 21 | 12967 |
| 22 | 17476 |
| 23 | 29162 |
| 24 | 28065 |
| 25 | 49609 |
| 26 | 59358 |
| 27 | 83420 |
| 28 | 97243 |
| 29 | 164967 |
| 30 | 152548 |
| 31 | 280352 |
| 32 | 295291 |
| 33 | 405919 |
| 34 | 508162 |
| 35 | 674630 |
| 36 | 708819 |
| 37 | 1230259 |
| 38 | 1325732 |
| 39 | 1709230 |