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 | 2 |
| 2 | 13 |
| 3 | 49 |
| 4 | 140 |
| 5 | 336 |
| 6 | 714 |
| 7 | 1386 |
| 8 | 2508 |
| 9 | 4290 |
| 10 | 7007 |
| 11 | 11011 |
| 12 | 16744 |
| 13 | 24752 |
| 14 | 35700 |
| 15 | 50388 |
| 16 | 69768 |
| 17 | 94962 |
| 18 | 127281 |
| 19 | 168245 |
| 20 | 219604 |
| 21 | 283360 |
| 22 | 361790 |
| 23 | 457470 |
| 24 | 573300 |
| 25 | 712530 |
| 26 | 878787 |
| 27 | 1076103 |
| 28 | 1308944 |
| 29 | 1582240 |
| 30 | 1901416 |
| 31 | 2272424 |
| 32 | 2701776 |
| 33 | 3196578 |
| 34 | 3764565 |
| 35 | 4414137 |
| 36 | 5154396 |