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 | 7 |
| 3 | 49 |
| 4 | 343 |
| 5 | 889 |
| 6 | 2359 |
| 7 | 2401 |
| 8 | 6223 |
| 9 | 16513 |
| 10 | 16807 |
| 11 | 43561 |
| 12 | 112903 |
| 13 | 115591 |
| 14 | 117649 |
| 15 | 299593 |
| 16 | 304927 |
| 17 | 790321 |
| 18 | 794983 |
| 19 | 809137 |
| 20 | 823543 |
| 21 | 2033143 |
| 22 | 2097151 |
| 23 | 2134489 |
| 24 | 5532247 |
| 25 | 5564881 |
| 26 | 5663959 |
| 27 | 5764801 |
| 28 | 13549249 |
| 29 | 14232001 |
| 30 | 14338681 |
| 31 | 14680057 |
| 32 | 14941423 |
| 33 | 34591207 |
| 34 | 38048311 |
| 35 | 38725729 |