# A352850 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 3
4 -18
5 150
6 -1590
7 20790
8 -321930
9 5751270
10 -116263350
11 2628687600
12 -65723427000
13 1800165767400
14 -53590470733800
15 1722471401851200
16 -59462981199121500
17 2194469988757546500
18 -86216322855144982500
19 3592621186732990912500
20 -158253385898375658891000