# A372513 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 16
4 264
5 7296
6 302720
7 17587200
8 1362399360
9 135693537280
10 16893684928512
11 2570631845806080
12 469393033744588800
13 101294080603625226240
14 25502237392032633323520
15 7408331513180811911233536
16 2459543337577081650719784960
17 925435622656059412145504256000