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 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 5 |
| 11 | 6 |
| 12 | 9 |
| 13 | 12 |
| 14 | 16 |
| 15 | 22 |
| 16 | 27 |
| 17 | 37 |
| 18 | 47 |
| 19 | 60 |
| 20 | 81 |
| 21 | 108 |
| 22 | 143 |
| 23 | 190 |
| 24 | 266 |
| 25 | 352 |
| 26 | 463 |
| 27 | 613 |
| 28 | 812 |
| 29 | 1086 |
| 30 | 1419 |
| 31 | 1873 |
| 32 | 2509 |
| 33 | 3328 |
| 34 | 4399 |
| 35 | 5836 |
| 36 | 7780 |
| 37 | 10328 |
| 38 | 13672 |
| 39 | 18148 |
| 40 | 24110 |
| 41 | 32066 |
| 42 | 42426 |
| 43 | 56269 |
| 44 | 74791 |
| 45 | 99188 |
| 46 | 131518 |
| 47 | 174439 |
| 48 | 231657 |