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A247267 as a simple table

na(n)
11
24
39
449
564
681
7225
8625
91225
102025
113025
124225
135625
147225
159025
1615625
1727225
1830625
1934225
2042025
2150625
2260025
2370225
2475625
2581225
2693025
27105625
28275625
29330625
30600625
31893025
32950625
33970225
341050625
352030625
363330625
374950625
389455625
399765625
4015405625

[1,4,9,49,64,81,225,625,1225,2025,3025,4225,5625,
 7225,9025,15625,27225,30625,34225,42025,50625,
 60025,70225,75625,81225,93025,105625,275625,
 330625,600625,893025,950625,970225,1050625,
 2030625,3330625,4950625,9455625,9765625,15405625]