# A012589 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 -6
4 -19
5 -20
6 155
7 1190
8 6617
9 44664
10 208375
11 -904398
12 -18752699
13 -19097052
14 694693779
15 -17424099810
16 -291885915727
17 3147952642416
18 73814350009583
19 -859299092152342
20 -22448554968159587