# A372795 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 -2
4 8
5 24
6 -2240
7 59600
8 -640000
9 -35477120
10 2287843200
11 -337824000
12 -8328489693696
13 320219485774848
14 53149588906171392
15 -5832590252624818176
16 -534898113615540043776
17 142559169839206640025600
18 6582786304965587026329600