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A356905 as a simple table

na(n)
01
10
22
33
4-4
5-30
6294
73780
8-7904
9-444528
1078840
1199657360
12539299848
13-27852945120
14-361237078944
1510124338180320
16258341121976320
17-4020500134465920
18-205187357182405824
191330097523844832640
20186823640933648588160
21500469438126120583680

[1,0,2,3,-4,-30,294,3780,-7904,-444528,78840,
 99657360,539299848,-27852945120,-361237078944,
 10124338180320,258341121976320,-4020500134465920,
 -205187357182405824,1330097523844832640,
 186823640933648588160,500469438126120583680]