# A161742 (b-file synthesized from sequence entry)
2 1
3 4
4 13
5 30
6 -14
7 -504
8 736
9 44640
10 -104544
11 -10644480
12 33246720
13 5425056000
14 -20843695872
15 -5185511654400
16 23457840537600
17 8506857655296000
18 -44092609863966720
19 -22430879475779174400
20 130748316971139072000