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A362161 as a simple table

na(n)
01
1-1
25
3-1
4121
51039
620221
7416975
810573361
9309650399
1010335294901
11386839539679
1216045117551145
13730346985279599
1436191355037097261
151939288174467052079
16111724538085236200801
176886112439557645126335
18452112545350761238085221

[1,-1,5,-1,121,1039,20221,416975,10573361,
 309650399,10335294901,386839539679,16045117551145,
 730346985279599,36191355037097261,
 1939288174467052079,111724538085236200801,
 6886112439557645126335,452112545350761238085221]