# A342181 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 14
4 588
5 252252
6 1875745872
7 409565359659456
8 4443872618422784042496
9 4052080633200943761869999708160
10 524883317743439723147432404145717855232000
11 16321637725818077271987866314412476606229589461376000000