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A289280 as a simple table

na(n)
24
39
48
525
68
749
816
927
1016
11121
1216
13169
1416
1525
1632
17289
1824
19361
2025
2127
2232
23529
2427
25125
2632
2781
2832
29841
3032
31961
3264
3381
3464
3549
3648
371369
3864
3981
4050
411681
4248
431849
4464
4575
4664
472209
4854
49343
5064
5181
5264
532809
5464
55121
5664
5781
5864
593481
6064
613721

[4,9,8,25,8,49,16,27,16,121,16,169,16,25,32,289,
 24,361,25,27,32,529,27,125,32,81,32,841,32,961,64,
 81,64,49,48,1369,64,81,50,1681,48,1849,64,75,64,
 2209,54,343,64,81,64,2809,64,121,64,81,64,3481,64,
 3721]