# A215682 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 3
4 0
5 -10
6 90
7 308
8 -1680
9 1560
10 123480
11 -43032
12 -5151960
13 40323920
14 538618080
15 -3880887592
16 -32036135040
17 815589894720
18 4367132072640
19 -121636569852672
20 -35223107829120
21 29236492773887360
22 -32794445470765440
23 -6014518868589379072
24 45105535773064694400