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A075385 as a simple table

na(n)
11
24
39
420
530
654
756
8104
9126
10160
11154
12264
13234
14364
15390
16480
17374
18630
19475
20780
21819
22946
23713
241200
251100
261326
271350
281596
291160
301950
311333
322144
332046
342312
352380
362844
371961
383002
393081
403600
412378
423948
432666
444136
454275
464370
473149
485280

[1,4,9,20,30,54,56,104,126,160,154,264,234,364,
 390,480,374,630,475,780,819,946,713,1200,1100,
 1326,1350,1596,1160,1950,1333,2144,2046,2312,2380,
 2844,1961,3002,3081,3600,2378,3948,2666,4136,4275,
 4370,3149,5280]