# A013332 (b-file synthesized from sequence entry)
0 1
1 0
2 -1
3 0
4 -3
5 20
6 3
7 420
8 -343
9 8424
10 -22249
11 260040
12 -239547
13 10498748
14 94138107
15 -147119700
16 19810696721
17 -201766341168
18 3757708820591
19 -61124264974704
20 781479753273933
21 -16996638107062684