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 | 7 |
| 2 | 103 |
| 3 | 564 |
| 4 | 1980 |
| 5 | 5375 |
| 6 | 12327 |
| 7 | 25088 |
| 8 | 46704 |
| 9 | 81135 |
| 10 | 133375 |
| 11 | 209572 |
| 12 | 317148 |
| 13 | 464919 |
| 14 | 663215 |
| 15 | 924000 |
| 16 | 1260992 |
| 17 | 1689783 |
| 18 | 2227959 |
| 19 | 2895220 |
| 20 | 3713500 |
| 21 | 4707087 |
| 22 | 5902743 |
| 23 | 7329824 |
| 24 | 9020400 |
| 25 | 11009375 |
| 26 | 13334607 |
| 27 | 16037028 |
| 28 | 19160764 |
| 29 | 22753255 |
| 30 | 26865375 |