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A292970 as a simple table

na(n)
01
10
20
30
40
5120
6-720
72520
8-6720
915120
101784160
11-39861360
12478906560
13-4151192760
1429059190160
1543589505960
16-9531493695360
17262248906060960
18-4781455284432960
1968339552332044960
20-719390244156842880
21105128808579670680
22293382376643359246320

[1,0,0,0,0,120,-720,2520,-6720,15120,1784160,
 -39861360,478906560,-4151192760,29059190160,
 43589505960,-9531493695360,262248906060960,
 -4781455284432960,68339552332044960,
 -719390244156842880,105128808579670680,
 293382376643359246320]