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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 3 |
| 11 | 6 |
| 12 | 9 |
| 13 | 18 |
| 14 | 25 |
| 15 | 44 |
| 16 | 60 |
| 17 | 96 |
| 18 | 122 |
| 19 | 188 |
| 20 | 243 |
| 21 | 344 |
| 22 | 442 |
| 23 | 615 |
| 24 | 769 |
| 25 | 1047 |
| 26 | 1308 |
| 27 | 1722 |
| 28 | 2150 |
| 29 | 2791 |
| 30 | 3430 |
| 31 | 4405 |
| 32 | 5401 |
| 33 | 6803 |
| 34 | 8326 |
| 35 | 10408 |
| 36 | 12608 |
| 37 | 15641 |
| 38 | 18906 |
| 39 | 23179 |
| 40 | 27935 |
| 41 | 34061 |
| 42 | 40778 |
| 43 | 49451 |
| 44 | 59038 |
| 45 | 71060 |
| 46 | 84604 |
| 47 | 101386 |
| 48 | 120114 |
| 49 | 143358 |