# A056063 (b-file synthesized from sequence entry)
0 1
1 4
2 44
3 652
4 11636
5 242816
6 5896200
7 166988876
8 5522663076
9 212691519520
10 9480072152976
11 485032014072352
12 28212945137704000
13 1845697627092687232
14 134276285717364346136
15 10746808538882581859580