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 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 2 |
| 7 | 6 |
| 8 | 11 |
| 9 | 20 |
| 10 | 35 |
| 11 | 63 |
| 12 | 118 |
| 13 | 216 |
| 14 | 407 |
| 15 | 759 |
| 16 | 1424 |
| 17 | 2686 |
| 18 | 5094 |
| 19 | 9652 |
| 20 | 18472 |
| 21 | 35068 |
| 22 | 67068 |
| 23 | 128421 |
| 24 | 246403 |
| 25 | 473647 |
| 26 | 911479 |
| 27 | 1757076 |
| 28 | 3390256 |
| 29 | 6552075 |
| 30 | 12675294 |
| 31 | 24545280 |
| 32 | 47583568 |
| 33 | 92332958 |
| 34 | 179313476 |
| 35 | 348551899 |
| 36 | 678031524 |
| 37 | 1319932086 |
| 38 | 2571422341 |