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A266918 as a simple table

na(n)
11
24
39
416
525
627
736
849
964
1081
11100
12121
13144
14169
15196
16225
17243
18256
19289
20324
21343
22361
23400
24441
25484
26529
27576
28625
29676
30729
31784
32841
33900
34961
351024
361089
371156
381225
391296
401369
411444
421521
431600
441681
451728
461764
471849
481936
492025
502116
512187
522197
532209
542304
552401
562500

[1,4,9,16,25,27,36,49,64,81,100,121,144,169,196,
 225,243,256,289,324,343,361,400,441,484,529,576,
 625,676,729,784,841,900,961,1024,1089,1156,1225,
 1296,1369,1444,1521,1600,1681,1728,1764,1849,1936,
 2025,2116,2187,2197,2209,2304,2401,2500]