# A369569 (b-file synthesized from sequence entry)
1 1
2 4
3 54
4 1536
5 75000
6 5598720
7 592950960
8 84557168640
9 15620794116480
10 3628800000000000
11 1035338990313196800
12 355902198372945100800
13 145077660657859734604800
14 69194697632491737238732800
15 38174841090323437500000000000
16 24122334398245883325016178688000