# A220267 (b-file synthesized from sequence entry)
1 1
2 9
3 177
4 9800
5 1131750
6 225598527
7 69153712446
8 30211650109440
9 17832410391617082
10 13670065258130703125
11 13203133188522251881137
12 15685246720965582029887488
13 22477297594725738707224270105
14 38231902029181930196176183861755
15 76144787589417130318451646093750000