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 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 4 |
| 12 | 4 |
| 13 | 7 |
| 14 | 9 |
| 15 | 12 |
| 16 | 14 |
| 17 | 29 |
| 18 | 31 |
| 19 | 45 |
| 20 | 62 |
| 21 | 71 |
| 22 | 117 |
| 23 | 175 |
| 24 | 231 |
| 25 | 331 |
| 26 | 454 |
| 27 | 634 |
| 28 | 948 |
| 29 | 1250 |
| 30 | 1770 |
| 31 | 2506 |
| 32 | 3566 |
| 33 | 5088 |
| 34 | 7192 |
| 35 | 10261 |
| 36 | 14592 |
| 37 | 21168 |
| 38 | 30275 |
| 39 | 43099 |
| 40 | 61336 |
| 41 | 87770 |
| 42 | 126195 |
| 43 | 180957 |
| 44 | 258657 |
| 45 | 371653 |
| 46 | 534391 |
| 47 | 767164 |
| 48 | 1103259 |
| 49 | 1583584 |
| 50 | 2276179 |