# A109482 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 3411
5 62720
6 1592304
7 22807296
8 192149916
9 219846144
10 -42431161472
11 -1205347444224
12 -23633564111220
13 -358861582684416
14 -3716025929156240
15 -7324697080567552
16 835893111486979140
17 26564375978207628288
18 541927759478112286720
19 8356986995789987968000
20 89701085753275011507940