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 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 19 |
| 6 | 32 |
| 7 | 50 |
| 8 | 77 |
| 9 | 115 |
| 10 | 170 |
| 11 | 244 |
| 12 | 348 |
| 13 | 486 |
| 14 | 675 |
| 15 | 923 |
| 16 | 1253 |
| 17 | 1682 |
| 18 | 2246 |
| 19 | 2968 |
| 20 | 3904 |
| 21 | 5094 |
| 22 | 6616 |
| 23 | 8533 |
| 24 | 10962 |
| 25 | 13997 |
| 26 | 17808 |
| 27 | 22538 |
| 28 | 28426 |
| 29 | 35689 |
| 30 | 44670 |
| 31 | 55678 |
| 32 | 69199 |
| 33 | 85692 |
| 34 | 105826 |
| 35 | 130261 |
| 36 | 159935 |
| 37 | 195778 |
| 38 | 239092 |
| 39 | 291191 |
| 40 | 353854 |
| 41 | 428925 |
| 42 | 518848 |