# A191470 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 -3
4 28
5 -120
6 1122
7 -8127
8 88096
9 -885216
10 11291624
11 -143432883
12 2131731944
13 -32515910232
14 555050034224
15 -9845456006487
16 190381188822016
17 -3842126730651264
18 83143449079579584
19 -1878918839085535971
20 45029979676319086976