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A104674 as a simple table

na(n)
01
184
22184
330576
4286650
52018016
611435424
754609984
8226972746
9840639800
102824549728
118730426432
1225099975992
1367725379008
14172768824000
15419252346240
16972796459635
172167754048460
184656656844840
199674494830000
2019494107082450
2138192536324800
2272913023892800

[1,84,2184,30576,286650,2018016,11435424,54609984,
 226972746,840639800,2824549728,8730426432,
 25099975992,67725379008,172768824000,419252346240,
 972796459635,2167754048460,4656656844840,
 9674494830000,19494107082450,38192536324800,
 72913023892800]