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A139033 as a simple table

na(n)
11
24
336
4576
51296
61764
72304
84356
96084
1015876
1119044
1220736
1326244
1444100
1569696
1676176
1782944
1886436
19112896
20152100
21176400
22213444
23248004
24254016
25260100
26285156
27291600
28324900
29381924
30396900
31412164
32435600
33476100
34492804
35553536
36608400
37705600

[1,4,36,576,1296,1764,2304,4356,6084,15876,19044,
 20736,26244,44100,69696,76176,82944,86436,112896,
 152100,176400,213444,248004,254016,260100,285156,
 291600,324900,381924,396900,412164,435600,476100,
 492804,553536,608400,705600]