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A348121 as a simple table

na(n)
14
28
39
416
525
627
732
836
949
1064
1172
1281
13100
14108
15121
16125
17128
18144
19169
20180
21196
22200
23216
24225
25243
26252
27256
28288
29289
30300
31324
32343
33360
34361
35392
36396
37400
38432
39441
40450
41468
42484
43500
44504
45512
46529
47540
48576
49588
50600
51612
52625
53648
54675
55676
56684

[4,8,9,16,25,27,32,36,49,64,72,81,100,108,121,125,
 128,144,169,180,196,200,216,225,243,252,256,288,
 289,300,324,343,360,361,392,396,400,432,441,450,
 468,484,500,504,512,529,540,576,588,600,612,625,
 648,675,676,684]