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A115743 as a simple table

na(n)
14
29
316
425
536
649
764
881
9121
10484
111089
121764
131936
142401
152704
163025
174356
185929
196084
207744
219801
2210201
2312321
2414641
2517161
2619881
2722801
2825921
2927225
3029241
3132761
3236481
3340804
3444944
3549284
3653824
3758564
3863504
3968644
4069696

[4,9,16,25,36,49,64,81,121,484,1089,1764,1936,
 2401,2704,3025,4356,5929,6084,7744,9801,10201,
 12321,14641,17161,19881,22801,25921,27225,29241,
 32761,36481,40804,44944,49284,53824,58564,63504,
 68644,69696]