# A009414 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 5
4 -12
5 89
6 -345
7 3093
8 -17136
9 178065
10 -1313865
11 15537125
12 -145520364
13 1937055977
14 -22215578385
15 330407321013
16 -4508998213440
17 74499864979361
18 -1181547581150961
19 21576252384049093
20 -389965846387214380