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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 5 |
| 10 | 8 |
| 11 | 12 |
| 12 | 17 |
| 13 | 25 |
| 14 | 35 |
| 15 | 50 |
| 16 | 68 |
| 17 | 94 |
| 18 | 126 |
| 19 | 170 |
| 20 | 226 |
| 21 | 299 |
| 22 | 391 |
| 23 | 511 |
| 24 | 660 |
| 25 | 853 |
| 26 | 1091 |
| 27 | 1393 |
| 28 | 1766 |
| 29 | 2235 |
| 30 | 2811 |
| 31 | 3527 |
| 32 | 4403 |
| 33 | 5484 |
| 34 | 6800 |
| 35 | 8415 |
| 36 | 10369 |
| 37 | 12752 |
| 38 | 15627 |
| 39 | 19110 |
| 40 | 23298 |
| 41 | 28346 |
| 42 | 34389 |
| 43 | 41642 |
| 44 | 50295 |
| 45 | 60636 |
| 46 | 72929 |
| 47 | 87563 |
| 48 | 104903 |
| 49 | 125470 |