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 | 2 |
| 2 | 17 |
| 3 | 32 |
| 4 | 257 |
| 5 | 272 |
| 6 | 512 |
| 7 | 4097 |
| 8 | 4112 |
| 9 | 4352 |
| 10 | 8192 |
| 11 | 65537 |
| 12 | 65552 |
| 13 | 65792 |
| 14 | 69632 |
| 15 | 131072 |
| 16 | 1048577 |
| 17 | 1048592 |
| 18 | 1048832 |
| 19 | 1052672 |
| 20 | 1114112 |
| 21 | 2097152 |
| 22 | 16777217 |
| 23 | 16777232 |
| 24 | 16777472 |
| 25 | 16781312 |
| 26 | 16842752 |
| 27 | 17825792 |
| 28 | 33554432 |
| 29 | 268435457 |