# A089500 (b-file synthesized from sequence entry)
1 1
2 2
3 10
4 630
5 2520
6 277200
7 97297200
8 3405402000
9 463134672000
10 475176173472000
11 16631166071520000
12 4207685016094560000
13 3786916514485104000000
14 98459829376612704000000