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A182333 as a simple table

na(n)
11
24
36
425
5104
6484
72136
811664
971136
10451584
113006720
1221902400
13176774400
141456185600
1512758860800
16117456998400
171181072793600
1812023694950400
19130072449024000
201451792885760000
2117487355576320000
22212389727477760000
232729844680048640000

[1,4,6,25,104,484,2136,11664,71136,451584,3006720,
 21902400,176774400,1456185600,12758860800,
 117456998400,1181072793600,12023694950400,
 130072449024000,1451792885760000,
 17487355576320000,212389727477760000,
 2729844680048640000]