The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 9 |
| 5 | 16 |
| 6 | 37 |
| 7 | 64 |
| 8 | 137 |
| 9 | 262 |
| 10 | 531 |
| 11 | 1024 |
| 12 | 2101 |
| 13 | 4096 |
| 14 | 8261 |
| 15 | 16426 |
| 16 | 32913 |
| 17 | 65536 |
| 18 | 131401 |
| 19 | 262144 |
| 20 | 524861 |
| 21 | 1048720 |
| 22 | 2098185 |
| 23 | 4194304 |
| 24 | 8391001 |
| 25 | 16777276 |
| 26 | 33558539 |
| 27 | 67109392 |
| 28 | 134226093 |
| 29 | 268435456 |
| 30 | 536888491 |
| 31 | 1073741824 |
| 32 | 2147516705 |
| 33 | 4294969372 |
| 34 | 8590000143 |
| 35 | 17179869526 |
[1,1,2,4,9,16,37,64,137,262,531,1024,2101,4096, 8261,16426,32913,65536,131401,262144,524861, 1048720,2098185,4194304,8391001,16777276,33558539, 67109392,134226093,268435456,536888491,1073741824, 2147516705,4294969372,8590000143,17179869526] |