# A357248 (b-file synthesized from sequence entry)
5 280
6 6240
7 75600
8 954240
9 12579840
10 175392000
11 2594592000
12 40721049600
13 677053977600
14 11901451161600
15 220690229760000
16 4307253350400000
17 88289523818496000
18 1896762491559936000
19 42625344258072576000
20 1000193047805952000000
21 24463730767033958400000
22 622724156293184225280000