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A000463 as a simple table

na(n)
11
21
32
44
53
69
74
816
95
1025
116
1236
137
1449
158
1664
179
1881
1910
20100
2111
22121
2312
24144
2513
26169
2714
28196
2915
30225
3116
32256
3317
34289
3518
36324
3719
38361
3920
40400
4121
42441
4322
44484
4523
46529
4724
48576
4925
50625
5126
52676
5327
54729
5528
56784
5729
58841
5930
60900
6131
62961
6332
641024
6533
661089
6734
681156
6935
701225
7136
721296

[1,1,2,4,3,9,4,16,5,25,6,36,7,49,8,64,9,81,10,100,
 11,121,12,144,13,169,14,196,15,225,16,256,17,289,
 18,324,19,361,20,400,21,441,22,484,23,529,24,576,
 25,625,26,676,27,729,28,784,29,841,30,900,31,961,
 32,1024,33,1089,34,1156,35,1225,36,1296]