# A013413 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 90
4 -2520
5 368550
6 -29313900
7 7122965850
8 -1133998866000
9 432213196164750
10 -115564330313932500
11 64225795369647161250
12 -25965004352151980115000
13 19884500689553832175593750