# A013160 (b-file synthesized from sequence entry)
0 1
1 0
2 -4
3 6
4 -19
5 20
6 -70
7 -1050
8 7645
9 -125640
10 1074400
11 -15186050
12 154663825
13 -2302431300
14 27387957350
15 -445100087250
16 6069674521625
17 -108269831098000
18 1666530849522500
19 -32533793834402250