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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 0 |
| 3 | 14 |
| 4 | 3 |
| 5 | 60 |
| 6 | 3 |
| 7 | 252 |
| 8 | 6 |
| 9 | 1023 |
| 10 | 4 |
| 11 | 4095 |
| 12 | 0 |
| 13 | 16383 |
| 14 | 0 |
| 15 | 65523 |
| 16 | 30 |
| 17 | 262131 |
| 18 | 28 |
| 19 | 1048559 |
| 20 | 24 |
| 21 | 4194287 |
| 22 | 48 |
| 23 | 16777199 |
| 24 | 48 |
| 25 | 67108847 |
| 26 | 48 |
| 27 | 268435439 |
| 28 | 0 |
| 29 | 1073741767 |
| 30 | 124 |
| 31 | 4294967239 |
| 32 | 188 |
| 33 | 17179868939 |
| 34 | 12 |
| 35 | 68719476675 |
| 36 | 502 |
| 37 | 274877906591 |
| 38 | 352 |
| 39 | 1099511627295 |
| 40 | 96 |
[1,2,0,14,3,60,3,252,6,1023,4,4095,0,16383,0, 65523,30,262131,28,1048559,24,4194287,48,16777199, 48,67108847,48,268435439,0,1073741767,124, 4294967239,188,17179868939,12,68719476675,502, 274877906591,352,1099511627295,96] |