# A317411 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 4
4 0
5 -104
6 -1200
7 -10352
8 -68992
9 -177536
10 5310720
11 145374208
12 2512029696
13 33484862464
14 294806779904
15 -1053894275072
16 -133585065738240
17 -4148745576218624
18 -92116699894185984
19 -1510783598900412416
20 -11327731683300474880
21 414155615537321476096
22 25541948643911385219072