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 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 6 |
| 6 | 13 |
| 7 | 19 |
| 8 | 41 |
| 9 | 54 |
| 10 | 110 |
| 11 | 157 |
| 12 | 277 |
| 13 | 394 |
| 14 | 706 |
| 15 | 970 |
| 16 | 1691 |
| 17 | 2376 |
| 18 | 3905 |
| 19 | 5494 |
| 20 | 9130 |
| 21 | 12355 |
| 22 | 20262 |
| 23 | 28146 |
| 24 | 44316 |
| 25 | 61761 |
| 26 | 98023 |
| 27 | 132891 |
| 28 | 207912 |
| 29 | 285667 |
| 30 | 440118 |
| 31 | 604322 |
| 32 | 929737 |
| 33 | 1252232 |
| 34 | 1921062 |
| 35 | 2625852 |
| 36 | 3933025 |
| 37 | 5351483 |
| 38 | 8085728 |
| 39 | 10856110 |