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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 0 |
| 9 | 1 |
| 10 | 2 |
| 11 | 4 |
| 12 | 8 |
| 13 | 16 |
| 14 | 32 |
| 15 | 64 |
| 16 | 128 |
| 17 | 255 |
| 18 | 510 |
| 19 | 1019 |
| 20 | 2036 |
| 21 | 4068 |
| 22 | 8128 |
| 23 | 16240 |
| 24 | 32448 |
| 25 | 64832 |
| 26 | 129536 |
| 27 | 258817 |
| 28 | 517124 |
| 29 | 1033229 |
| 30 | 2064422 |
| 31 | 4124776 |
| 32 | 8241424 |
| 33 | 16466608 |
| 34 | 32900768 |
| 35 | 65736704 |
| 36 | 131343872 |
| 37 | 262428927 |
| 38 | 524340730 |
| 39 | 1047648231 |
| 40 | 2093232040 |
[0,0,0,0,0,0,0,1,0,1,2,4,8,16,32,64,128,255,510, 1019,2036,4068,8128,16240,32448,64832,129536, 258817,517124,1033229,2064422,4124776,8241424, 16466608,32900768,65736704,131343872,262428927, 524340730,1047648231,2093232040] |