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A224098 as a simple table

na(n)
01
116
21296
36912
46480000
52592000
66223392000
714224896000
81440270720000
9320060160000
102811600481536000
11511200087552000
12255506749760021760000
13291175783202304000
1416846598885276160000

[1,16,1296,6912,6480000,2592000,6223392000,
 14224896000,1440270720000,320060160000,
 2811600481536000,511200087552000,
 255506749760021760000,291175783202304000,
 16846598885276160000]