# A012514 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 -3
4 12
5 -40
6 310
7 -2331
8 22344
9 -214992
10 2290138
11 -26031115
12 322277780
13 -4298532888
14 61722080446
15 -947673715275
16 15499274051408
17 -268866053899936
18 4930878490414002
19 -95317757163840915