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 | 6 |
| 2 | 21 |
| 3 | 21 |
| 4 | 69 |
| 5 | 196 |
| 6 | 69 |
| 7 | 219 |
| 8 | 1630 |
| 9 | 1630 |
| 10 | 219 |
| 11 | 679 |
| 12 | 12776 |
| 13 | 33540 |
| 14 | 12776 |
| 15 | 679 |
| 16 | 2070 |
| 17 | 96511 |
| 18 | 642953 |
| 19 | 642953 |
| 20 | 96511 |
| 21 | 2070 |
| 22 | 6235 |
| 23 | 709506 |
| 24 | 11757774 |
| 25 | 29830782 |
| 26 | 11757774 |
| 27 | 709506 |
| 28 | 6235 |
| 29 | 18608 |
| 30 | 5112134 |
| 31 | 207535740 |
| 32 | 1307781737 |
| 33 | 1307781737 |
| 34 | 207535740 |