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A303054 as a simple table

na(n)
11
24
31
416
59
61
764
816
91
10169
1125
121
13361
1436
151
16676
1749
181
191156
2064
211
221849
2381
241
252809
26100
271
284096
29121
301
315776
32144
331
347921
35169
361
3710609
38196
391
4013924
41225
421
4317956
44256
451
4622801
47289
481
4928561
50324
511
5235344
53361
541
5543264
56400
571
5852441

[1,4,1,16,9,1,64,16,1,169,25,1,361,36,1,676,49,1,
 1156,64,1,1849,81,1,2809,100,1,4096,121,1,5776,
 144,1,7921,169,1,10609,196,1,13924,225,1,17956,
 256,1,22801,289,1,28561,324,1,35344,361,1,43264,
 400,1,52441]