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| n | a(n) |
|---|---|
| 3 | 1 |
| 4 | 0 |
| 5 | 4 |
| 6 | 0 |
| 7 | 14 |
| 8 | 8 |
| 9 | 40 |
| 10 | 32 |
| 11 | 105 |
| 12 | 112 |
| 13 | 284 |
| 14 | 320 |
| 15 | 702 |
| 16 | 840 |
| 17 | 1688 |
| 18 | 2112 |
| 19 | 3860 |
| 20 | 4976 |
| 21 | 8540 |
| 22 | 11264 |
| 23 | 18424 |
| 24 | 24480 |
| 25 | 38584 |
| 26 | 51520 |
| 27 | 78901 |
| 28 | 105648 |
| 29 | 157600 |
| 30 | 211136 |
| 31 | 308310 |
| 32 | 412872 |
| 33 | 592224 |
| 34 | 791040 |
| 35 | 1117441 |
| 36 | 1488160 |
| 37 | 2074924 |
| 38 | 2754048 |
| 39 | 3794660 |
| 40 | 5018408 |
[1,0,4,0,14,8,40,32,105,112,284,320,702,840,1688, 2112,3860,4976,8540,11264,18424,24480,38584,51520, 78901,105648,157600,211136,308310,412872,592224, 791040,1117441,1488160,2074924,2754048,3794660, 5018408] |