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| n | a(n) |
|---|---|
| 1 | 43540 |
| 2 | 1596200 |
| 3 | 62569964 |
| 4 | 2662026560 |
| 5 | 113995582540 |
| 6 | 4934227972036 |
| 7 | 213645503481064 |
| 8 | 9270801819620976 |
| 9 | 402191437421176864 |
| 10 | 17459908484631363660 |
| 11 | 757809757739957565140 |
| 12 | 32899894121039441950420 |
[43540,1596200,62569964,2662026560,113995582540, 4934227972036,213645503481064,9270801819620976, 402191437421176864,17459908484631363660, 757809757739957565140,32899894121039441950420] |