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) |
|---|---|
| 6 | 1 |
| 7 | 6 |
| 8 | 21 |
| 9 | 56 |
| 10 | 126 |
| 11 | 252 |
| 12 | 461 |
| 13 | 792 |
| 14 | 1281 |
| 15 | 2002 |
| 16 | 2982 |
| 17 | 4368 |
| 18 | 6131 |
| 19 | 8568 |
| 20 | 11502 |
| 21 | 15498 |
| 22 | 20097 |
| 23 | 26334 |
| 24 | 33166 |
| 25 | 42504 |
| 26 | 52338 |
| 27 | 65724 |
| 28 | 79443 |
| 29 | 98280 |
| 30 | 116626 |
| 31 | 142506 |
| 32 | 166908 |
| 33 | 201124 |
| 34 | 232968 |
| 35 | 278250 |
| 36 | 317983 |
| 37 | 376992 |
| 38 | 427329 |
| 39 | 501150 |
| 40 | 564108 |
| 41 | 658008 |
| 42 | 732612 |