# A156935 (b-file synthesized from sequence entry)
2 -11
3 -108
4 -425
5 720
6 25678
7 255048
8 1901298
9 12339600
10 73794315
11 418519612
12 2289264465
13 12207642976
14 63925371180
15 330387702160
16 1691454191604
17 8600517968736
18 43516016460465
19 219401923888740