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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 2 |
| 2 | 0 |
| 3 | 0 |
| 4 | 8 |
| 5 | 32 |
| 6 | 80 |
| 7 | 160 |
| 8 | 288 |
| 9 | 512 |
| 10 | 960 |
| 11 | 1920 |
| 12 | 3968 |
| 13 | 8192 |
| 14 | 16640 |
| 15 | 33280 |
| 16 | 66048 |
| 17 | 131072 |
| 18 | 261120 |
| 19 | 522240 |
| 20 | 1046528 |
| 21 | 2097152 |
| 22 | 4198400 |
| 23 | 8396800 |
| 24 | 16785408 |
| 25 | 33554432 |
| 26 | 67092480 |
| 27 | 134184960 |
| 28 | 268402688 |
| 29 | 536870912 |
| 30 | 1073807360 |
| 31 | 2147614720 |
[3,2,0,0,8,32,80,160,288,512,960,1920,3968,8192, 16640,33280,66048,131072,261120,522240,1046528, 2097152,4198400,8396800,16785408,33554432, 67092480,134184960,268402688,536870912,1073807360, 2147614720] |