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A187031 as a simple table
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 15760 |
| 4 | 263000 |
| 5 | 1251720 |
| 6 | 3443028 |
| 7 | 7080688 |
| 8 | 12213336 |
| 9 | 18821144 |
| 10 | 26872340 |
| 11 | 36353568 |
[0,0,15760,263000,1251720,3443028,7080688, 12213336,18821144,26872340,36353568] |