The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 7 |
| 5 | 8 |
| 6 | 6 |
| 7 | 4 |
| 8 | 5 |
| 9 | 128 |
| 10 | 24 |
| 11 | 256 |
| 12 | 14 |
| 13 | 64 |
| 14 | 12 |
| 15 | 16 |
| 16 | 15 |
| 17 | 32 |
| 18 | 384 |
| 19 | 340282366920938463463374607431768211456 |
| 20 | 56 |
| 21 | 16777216 |
| 22 | 768 |
| 23 | 115792089237316195423570985008687907853269984665640564039457584007913129639936 |
| 24 | 10 |
| 25 | 16384 |
| 26 | 192 |
| 27 | 18446744073709551616 |
| 28 | 28 |
| 29 | 4096 |
| 30 | 48 |
[1,3,2,7,8,6,4,5,128,24,256,14,64,12,16,15,32,384, 340282366920938463463374607431768211456,56, 16777216,768, 11579208923731619542357098500868790785326998466564\ 0564039457584007913129639936,10,16384,192, 18446744073709551616,28,4096,48] |