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 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 3 |
| 11 | 4 |
| 12 | 4 |
| 13 | 8 |
| 14 | 9 |
| 15 | 14 |
| 16 | 16 |
| 17 | 23 |
| 18 | 27 |
| 19 | 39 |
| 20 | 48 |
| 21 | 62 |
| 22 | 76 |
| 23 | 100 |
| 24 | 120 |
| 25 | 159 |
| 26 | 190 |
| 27 | 241 |
| 28 | 292 |
| 29 | 367 |
| 30 | 443 |
| 31 | 552 |
| 32 | 663 |
| 33 | 816 |
| 34 | 980 |
| 35 | 1200 |
| 36 | 1430 |
| 37 | 1742 |
| 38 | 2075 |
| 39 | 2504 |
| 40 | 2979 |
| 41 | 3575 |
| 42 | 4232 |
| 43 | 5063 |
| 44 | 5980 |
| 45 | 7114 |
| 46 | 8382 |
| 47 | 9930 |
| 48 | 11663 |
| 49 | 13773 |
| 50 | 16140 |
| 51 | 18980 |
| 52 | 22190 |
| 53 | 26017 |