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A220586 as a simple table

na(n)
11
22
34
418
525
6100
7484
81089
91156
102809
1111449
1242025
1352900
1463001
15119716
16120409
17196249
18218089
19220900
20280900
21310249
22407044
23491401
24594441
25632025
26651249
27697225
281012036
291062961
301134225
311216609
321240996
331408969
341643524
351646089
361692601

[1,2,4,18,25,100,484,1089,1156,2809,11449,42025,
 52900,63001,119716,120409,196249,218089,220900,
 280900,310249,407044,491401,594441,632025,651249,
 697225,1012036,1062961,1134225,1216609,1240996,
 1408969,1643524,1646089,1692601]