# A176901 (b-file synthesized from sequence entry)
3 4
4 72
5 1584
6 70720
7 3948480
8 284570496
9 25574768128
10 2808243910656
11 369925183388160
12 57585548812887040
13 10458478438093154304
14 2191805683821733404672
15 525011528578874444283904
16 142540766765931981615759360
17 43542026550306796238178877440
18 14867182204795857282384287236096
19 5640920219495105293649671985430528