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 | 9 |
| 2 | 65 |
| 3 | 72 |
| 4 | 513 |
| 5 | 520 |
| 6 | 576 |
| 7 | 4097 |
| 8 | 4104 |
| 9 | 4160 |
| 10 | 4608 |
| 11 | 32769 |
| 12 | 32776 |
| 13 | 32832 |
| 14 | 33280 |
| 15 | 36864 |
| 16 | 262145 |
| 17 | 262152 |
| 18 | 262208 |
| 19 | 262656 |
| 20 | 266240 |
| 21 | 294912 |
| 22 | 2097153 |
| 23 | 2097160 |
| 24 | 2097216 |
| 25 | 2097664 |
| 26 | 2101248 |
| 27 | 2129920 |
| 28 | 2359296 |
| 29 | 16777217 |
| 30 | 16777224 |
| 31 | 16777280 |
| 32 | 16777728 |
| 33 | 16781312 |
| 34 | 16809984 |
| 35 | 17039360 |
| 36 | 18874368 |