# A201368 (b-file synthesized from sequence entry)
0 1
1 5
2 30
3 230
4 2280
5 28280
6 421680
7 7336880
8 145879680
9 3263031680
10 81097294080
11 2217097729280
12 66122900014080
13 2136392343342080
14 74335250629908480
15 2771225281718343680
16 110198981079416340480
17 4655992415884353044480
18 208291013498682750074880
19 9835804726301090178990080