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A280391 as a simple table

na(n)
01
112
225
357
481
5141
6169
7259
8297
9413
10441
11621
12625
13825
14873
151079
161089
171403
181369
191739
201729
212021
222025
232507
242433
252859
262905
273301
283249
294029
303721
314509
324305
334793
344989
355551
365329
376027
386025
396807
406561
417917
427225
438357
448121
458677
468649
479843
489481
4910889

[1,12,25,57,81,141,169,259,297,413,441,621,625,
 825,873,1079,1089,1403,1369,1739,1729,2021,2025,
 2507,2433,2859,2905,3301,3249,4029,3721,4509,4305,
 4793,4989,5551,5329,6027,6025,6807,6561,7917,7225,
 8357,8121,8677,8649,9843,9481,10889]