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 | 1 |
| 2 | 3 |
| 3 | 1 |
| 4 | 10 |
| 5 | 15 |
| 6 | 1 |
| 7 | 35 |
| 8 | 568 |
| 9 | 63 |
| 10 | 1 |
| 11 | 126 |
| 12 | 39695 |
| 13 | 18226 |
| 14 | 255 |
| 15 | 1 |
| 16 | 462 |
| 17 | 4431876 |
| 18 | 14177855 |
| 19 | 518320 |
| 20 | 1023 |
| 21 | 1 |
| 22 | 1716 |
| 23 | 724082352 |
| 24 | 23124921876 |
| 25 | 4041974015 |
| 26 | 14230810 |
| 27 | 4095 |
| 28 | 1 |
| 29 | 6435 |
| 30 | 163050236504 |
| 31 | 68264066143602 |
| 32 | 85800824609376 |
| 33 | 1075113010175 |
| 34 | 386357608 |