# A012185 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 -2
4 -11
5 16
6 301
7 -272
8 -16631
9 256
10 1543801
11 1758208
12 -216765251
13 -549115904
14 42924800101
15 178127730688
16 -11404529749871
17 -68157333438464
18 3916428205369201
19 31349506823815168
20 -1688780438764074491