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A179404 as a simple table

na(n)
10
20
30
448
5600
63108
710388
827328
961668
10124900
11233288
12409008
13681408
141088388
151677900
162509568
173656428
185206788
197266208
209959600
2113433448
2217858148
2323430468
2430376128
2538952500
2649451428
2762202168
2877574448
2995981648
30117884100

[0,0,0,48,600,3108,10388,27328,61668,124900,
 233288,409008,681408,1088388,1677900,2509568,
 3656428,5206788,7266208,9959600,13433448,17858148,
 23430468,30376128,38952500,49451428,62202168,
 77574448,95981648,117884100]