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| n | a(n) |
|---|---|
| 1 | 32 |
| 2 | 36 |
| 3 | 120 |
| 4 | 400 |
| 5 | 1360 |
| 6 | 4624 |
| 7 | 15776 |
| 8 | 53824 |
| 9 | 183744 |
| 10 | 627264 |
| 11 | 2141568 |
| 12 | 7311616 |
| 13 | 24963328 |
| 14 | 85229824 |
| 15 | 290992640 |
| 16 | 993510400 |
| 17 | 3392056320 |
| 18 | 11581203456 |
| 19 | 39540701184 |
| 20 | 135000395776 |
| 21 | 460920180736 |
| 22 | 1573679927296 |
| 23 | 5372879347712 |
[32,36,120,400,1360,4624,15776,53824,183744, 627264,2141568,7311616,24963328,85229824, 290992640,993510400,3392056320,11581203456, 39540701184,135000395776,460920180736, 1573679927296,5372879347712] |