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A176050 as a simple table

na(n)
10
24
30
4256
50
646656
70
816777216
90
1010000000000
110
128916100448256
130
1411112006825558016
150
1618446744073709551616
170
1839346408075296537575424
190
20104857600000000000000000000
210
22341427877364219557396646723584
230

[0,4,0,256,0,46656,0,16777216,0,10000000000,0,
 8916100448256,0,11112006825558016,0,
 18446744073709551616,0,39346408075296537575424,0,
 104857600000000000000000000,0,
 341427877364219557396646723584,0]