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A143911 as a simple table

na(n)
11
21
31
41
53
63
71
89
912
1016
111
1225
1360
1480
15125
161
1775
18330
19480
20750
211296
221
23231
241680
253920
265250
279072
2816807
291
30763
319408
3233600
3349000
3472576
35134456
36262144
371
382619
3956952
40254016
41598500
42762048
431210104
442359296
454782969
461
479495
48348120

[1,1,1,1,3,3,1,9,12,16,1,25,60,80,125,1,75,330,
 480,750,1296,1,231,1680,3920,5250,9072,16807,1,
 763,9408,33600,49000,72576,134456,262144,1,2619,
 56952,254016,598500,762048,1210104,2359296,
 4782969,1,9495,348120]