# A013411 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 -90
4 2520
5 -368550
6 31808700
7 -7577019450
8 1338322986000
9 -493346972868750
10 147490229469082500
11 -78563939419056341250
12 35612399584500073335000
13 -25974260672177759785593750