# A091868 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 1296
4 7962624
5 2985984000000
6 100306130042880000000
7 416336312719673760153600000000
8 281633758444745849464726940024832000000000
9 39594086612242519324387557078266845776303882240000000000