# A356576 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 0
4 24
5 -55
6 630
7 -2723
8 30968
9 -294327
10 3047320
11 -30255379
12 387690732
13 -5565964391
14 77090414492
15 -1114263777885
16 18473122449616
17 -331776991760303
18 6106973926830192
19 -112710455017397639
20 2233663985151902860
21 -50049383051597936559