# A304188 (b-file synthesized from sequence entry)
0 1
1 6
2 30
3 264
4 4179
5 97758
6 3000084
7 113020056
8 5018695542
9 255724146876
10 14671199172480
11 934467807541824
12 65366076594301044
13 4978197982191048600
14 409875168025688997456
15 36268233577292228677728
16 3431775207222740657912472
17 345742547371677388835049744
18 36948141363745699171977916032
19 4174429749114285739841190548928