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 | 9 |
| 3 | 8 |
| 4 | 24 |
| 5 | 32 |
| 6 | 64 |
| 7 | 128 |
| 8 | 864 |
| 9 | 1792 |
| 10 | 1536 |
| 11 | 2048 |
| 12 | 4096 |
| 13 | 8192 |
| 14 | 24576 |
| 15 | 73728 |
| 16 | 98304 |
| 17 | 131072 |
| 18 | 393216 |
| 19 | 524288 |
| 20 | 1048576 |
| 21 | 3145728 |
| 22 | 6291456 |
| 23 | 8388608 |
| 24 | 37748736 |
| 25 | 50331648 |
| 26 | 150994944 |
| 27 | 301989888 |
| 28 | 268435456 |
| 29 | 1207959552 |
| 30 | 1610612736 |
| 31 | 2147483648 |
| 32 | 4294967296 |
| 33 | 19327352832 |
| 34 | 25769803776 |
| 35 | 115964116992 |
| 36 | 171798691840 |
| 37 | 343597383680 |
| 38 | 927712935936 |
| 39 | 2886218022912 |
| 40 | 1099511627776 |
| 41 | 20890720927744 |
| 42 | 24189255811072 |