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A077438 as a simple table

na(n)
14
29
325
449
5121
6169
7289
8361
9529
10841
11900
12961
131369
141681
151764
161849
172209
182809
193481
203721
214356
224489
234900
245041
255329
266084
276241
286889
297921
309409
3110201
3210404
3310609
3411025
3511449
3611881
3712100
3812769
3912996
4016129
4116900

[4,9,25,49,121,169,289,361,529,841,900,961,1369,
 1681,1764,1849,2209,2809,3481,3721,4356,4489,4900,
 5041,5329,6084,6241,6889,7921,9409,10201,10404,
 10609,11025,11449,11881,12100,12769,12996,16129,
 16900]