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 | 3 |
| 2 | 1026 |
| 3 | 2049 |
| 4 | 3072 |
| 5 | 59051 |
| 6 | 60074 |
| 7 | 61097 |
| 8 | 118099 |
| 9 | 119122 |
| 10 | 177147 |
| 11 | 1048578 |
| 12 | 1049601 |
| 13 | 1050624 |
| 14 | 1107626 |
| 15 | 1108649 |
| 16 | 1166674 |
| 17 | 2097153 |
| 18 | 2098176 |
| 19 | 2156201 |
| 20 | 3145728 |
| 21 | 9765627 |
| 22 | 9766650 |
| 23 | 9767673 |
| 24 | 9824675 |
| 25 | 9825698 |
| 26 | 9883723 |
| 27 | 10814202 |
| 28 | 10815225 |
| 29 | 10873250 |