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 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 10 |
| 6 | 12 |
| 7 | 17 |
| 8 | 18 |
| 9 | 24 |
| 10 | 65 |
| 11 | 66 |
| 12 | 72 |
| 13 | 130 |
| 14 | 132 |
| 15 | 144 |
| 16 | 192 |
| 17 | 4097 |
| 18 | 4098 |
| 19 | 4104 |
| 20 | 4224 |
| 21 | 32770 |
| 22 | 32772 |
| 23 | 32784 |
| 24 | 32832 |
| 25 | 36864 |
| 26 | 65537 |
| 27 | 65538 |
| 28 | 65544 |
| 29 | 65664 |
| 30 | 98304 |
| 31 | 262145 |
| 32 | 262146 |
| 33 | 262152 |
| 34 | 262272 |
| 35 | 294912 |
| 36 | 1073741825 |
| 37 | 1073741826 |
| 38 | 1073741832 |