# A332541 (b-file synthesized from sequence entry)
0 1
1 24
2 54
3 2880
4 10800
5 362880
6 1058400
7 5806080
8 97977600
9 4790016000
10 138311712000
11 31384184832000
12 971415244800
13 439378587648000
14 3530720793600000
15 46562717859840000
16 2285647412944896000
17 36785478363630796800
18 741528257908838400000
19 674400436666564608000000