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A171920 as a simple table

na(n)
11
24
39
412
516
624
725
836
940
1045
1149
1260
1364
1472
1581
1684
17100
18105
19112
20121
21144
22160
23169
24180
25189
26196
27216
28220
29225
30240
31256
32264
33280
34289
35297
36300
37312
38324
39352
40360
41361
42364
43385
44396
45400
46420
47429
48432
49441
50480
51484
52504
53520
54529
55544
56576

[1,4,9,12,16,24,25,36,40,45,49,60,64,72,81,84,100,
 105,112,121,144,160,169,180,189,196,216,220,225,
 240,256,264,280,289,297,300,312,324,352,360,361,
 364,385,396,400,420,429,432,441,480,484,504,520,
 529,544,576]