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A296780 as a simple table

na(n)
10
2184
38788
4126016
5953312
64980744
720000844
866781696
9192914176
10498751000
111176318500
122576159424
135295012768
1410321114216
1519204598812
1634338770944
1759257739264
1899137135736
19161273290356
20255920008000
21397011388000
22603492894664
23900354295148

[0,184,8788,126016,953312,4980744,20000844,
 66781696,192914176,498751000,1176318500,
 2576159424,5295012768,10321114216,19204598812,
 34338770944,59257739264,99137135736,161273290356,
 255920008000,397011388000,603492894664,
 900354295148]