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 | 133 |
| 2 | 1034 |
| 3 | 4113 |
| 4 | 8212 |
| 5 | 32802 |
| 6 | 65576 |
| 7 | 131137 |
| 8 | 262212 |
| 9 | 524368 |
| 10 | 1048706 |
| 11 | 2097288 |
| 12 | 4194464 |
| 13 | 4194561 |
| 14 | 8388868 |
| 15 | 16777488 |
| 16 | 33554752 |
| 17 | 33554946 |
| 18 | 67109384 |
| 19 | 134218272 |
| 20 | 134218753 |
| 21 | 268436096 |
| 22 | 268436484 |
| 23 | 536871952 |
| 24 | 1073742912 |
| 25 | 1073743874 |
| 26 | 2147484928 |
| 27 | 2147485704 |
| 28 | 4294969376 |