# A383996 (b-file synthesized from sequence entry)
0 1
1 1
2 -4
3 15
4 0
5 -1155
6 20160
7 -208845
8 0
9 68139225
10 -2075673600
11 34976316375
12 0
13 -25949801752875
14 1126343522304000
15 -26264240610733125
16 0
17 34770736214117528625
18 -1958486116582195200000
19 58318039100493206409375
20 0
21 -120842042784862988395681875
22 8366746697372733839769600000