# A186418 (b-file synthesized from sequence entry)
0 1
1 4
2 144
3 10000
4 960400
5 112021056
6 14876193024
7 2167749739584
8 338710896810000
9 55880440123393600
10 9629613008027474176
11 1719721549507980904704
12 316402760115623198128384
13 59700436261400947600000000