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A252539 as a simple table

na(n)
1823
21344
32332
43160
510720
618656
725280
885760
9149248
10202240
11686080
121193984
131617920
145488640
159551872
1612943360
1743909120
1876414976
19103546880
20351272960
21611319808
22828375040
232810183680
244890558464
256627000320
2622481469440

[823,1344,2332,3160,10720,18656,25280,85760,
 149248,202240,686080,1193984,1617920,5488640,
 9551872,12943360,43909120,76414976,103546880,
 351272960,611319808,828375040,2810183680,
 4890558464,6627000320,22481469440]