# A357192 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 6
4 24
5 120
6 23760
7 327600
8 5201280
9 1283688000
10 37574409600
11 1219438281600
12 378254710310400
13 19092171351052800
14 1045282110435763200
15 394211859168070944000
16 30499777423295212032000
17 2523689643597315088896000
18 1125362204955051396299366400