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 | 4 |
| 2 | 4 |
| 3 | 13 |
| 4 | 3 |
| 5 | 32 |
| 6 | 45 |
| 7 | 63 |
| 8 | 90 |
| 9 | 111 |
| 10 | 162 |
| 11 | 210 |
| 12 | 237 |
| 13 | 7502 |
| 14 | 11776 |
| 15 | 240 |
| 16 | 2944 |
| 17 | 3008 |
| 18 | 11648 |
| 19 | 225152 |
| 20 | 478080 |
| 21 | 2704000 |
| 22 | 1548160 |
| 23 | 2462400 |
| 24 | 10128256 |
| 25 | 4999296 |
| 26 | 8640768 |
| 27 | 48264064 |
| 28 | 32347648 |