# A259049 (b-file synthesized from sequence entry)
0 1
1 4
2 400
3 960400
4 54218191104
5 71410553858811024
6 2186315392560559723530496
7 1552832545847343203950118294425600
8 25554649541466337940020968722797075170918400
9 9736551559782513812975251884508283964266367033264640000