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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 24 |
| 3 | 216 |
| 4 | 960 |
| 5 | 3000 |
| 6 | 7560 |
| 7 | 16464 |
| 8 | 32256 |
| 9 | 58320 |
| 10 | 99000 |
| 11 | 159720 |
| 12 | 247104 |
| 13 | 369096 |
| 14 | 535080 |
| 15 | 756000 |
| 16 | 1044480 |
| 17 | 1414944 |
| 18 | 1883736 |
| 19 | 2469240 |
| 20 | 3192000 |
| 21 | 4074840 |
| 22 | 5142984 |
| 23 | 6424176 |
| 24 | 7948800 |
| 25 | 9750000 |
| 26 | 11863800 |
| 27 | 14329224 |
| 28 | 17188416 |
| 29 | 20486760 |
| 30 | 24273000 |
| 31 | 28599360 |
| 32 | 33521664 |
[0,0,24,216,960,3000,7560,16464,32256,58320,99000, 159720,247104,369096,535080,756000,1044480, 1414944,1883736,2469240,3192000,4074840,5142984, 6424176,7948800,9750000,11863800,14329224, 17188416,20486760,24273000,28599360,33521664] |