# A013002 (b-file synthesized from sequence entry)
0 2
1 8
2 72
3 3040
4 64896
5 10595840
6 87854080
7 170663275520
8 -13108265091072
9 9548887177330688
10 -2414396189767565312
11 1470934245912869601280
12 -706590338221690516406272
13 502826356422039379298484224