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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 16 |
| 4 | 16 |
| 5 | 128 |
| 6 | 256 |
| 7 | 256 |
| 8 | 2048 |
| 9 | 8192 |
| 10 | 32768 |
| 11 | 16384 |
| 12 | 262144 |
| 13 | 262144 |
| 14 | 2097152 |
| 15 | 8388608 |
| 16 | 16777216 |
| 17 | 33554432 |
| 18 | 134217728 |
| 19 | 536870912 |
| 20 | 1073741824 |
| 21 | 4294967296 |
| 22 | 2147483648 |
| 23 | 34359738368 |
| 24 | 137438953472 |
| 25 | 274877906944 |
| 26 | 274877906944 |
| 27 | 2199023255552 |
| 28 | 4398046511104 |
| 29 | 1099511627776 |
| 30 | 35184372088832 |
[2,4,16,16,128,256,256,2048,8192,32768,16384, 262144,262144,2097152,8388608,16777216,33554432, 134217728,536870912,1073741824,4294967296, 2147483648,34359738368,137438953472,274877906944, 274877906944,2199023255552,4398046511104, 1099511627776,35184372088832] |