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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 6 |
| 6 | 6 |
| 7 | 12 |
| 8 | 14 |
| 9 | 28 |
| 10 | 28 |
| 11 | 60 |
| 12 | 60 |
| 13 | 120 |
| 14 | 124 |
| 15 | 248 |
| 16 | 248 |
| 17 | 504 |
| 18 | 504 |
| 19 | 1008 |
| 20 | 1016 |
| 21 | 2032 |
| 22 | 2032 |
| 23 | 4080 |
| 24 | 4080 |
| 25 | 8160 |
| 26 | 8176 |
| 27 | 16352 |
| 28 | 16352 |
| 29 | 32736 |
| 30 | 32736 |
| 31 | 65472 |
| 32 | 65504 |
| 33 | 131008 |
| 34 | 131008 |
| 35 | 262080 |
| 36 | 262080 |
| 37 | 524160 |
| 38 | 524224 |
| 39 | 1048448 |
| 40 | 1048448 |
| 41 | 2097024 |
| 42 | 2097024 |
[0,1,2,2,6,6,12,14,28,28,60,60,120,124,248,248, 504,504,1008,1016,2032,2032,4080,4080,8160,8176, 16352,16352,32736,32736,65472,65504,131008,131008, 262080,262080,524160,524224,1048448,1048448, 2097024,2097024] |