# A009365 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 5
4 -18
5 121
6 -792
7 7069
8 -67088
9 763057
10 -9443584
11 132103157
12 -2008841472
13 33527321257
14 -603694522368
15 11731117858573
16 -243894274033664
17 5412661283979361
18 -127565755034927104
19 3184128808387236581