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A074360 as a simple table

na(n)
00
10
20
30
40
540
6232
71072
84400
916864
1061728
11218496
12753792
132547840
148468608
1527755776
1689886976
17288101888
18915089920
192883416064
209021001728
2128042881024
2286672025600
23266472878080
24815347462144
252483820617728

[0,0,0,0,0,40,232,1072,4400,16864,61728,218496,
 753792,2547840,8468608,27755776,89886976,
 288101888,915089920,2883416064,9021001728,
 28042881024,86672025600,266472878080,815347462144,
 2483820617728]