# A294356 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 -5
4 23
5 -119
6 619
7 -4759
8 48145
9 -476657
10 4249961
11 -48286061
12 691331431
13 -9132207655
14 117900772963
15 -2025161870159
16 37607411624609
17 -628236985455329
18 10768798391659345
19 -215626810984559317
20 4751529623277906871
21 -105427459848063440471