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A170985 as a simple table

na(n)
00
11
20
31
416
525
616
725
80
91
100
111
1216
1325
1416
1525
16256
17289
18256
19289
20400
21441
22400
23441
24256
25289
26256
27289
28400
29441
30400
31441
320
331
340
351
3616
3725
3816
3925
400
411
420
431
4416
4525
4616
4725
48256
49289
50256
51289
52400
53441
54400
55441
56256
57289
58256
59289
60400
61441
62400
63441
644096
654225

[0,1,0,1,16,25,16,25,0,1,0,1,16,25,16,25,256,289,
 256,289,400,441,400,441,256,289,256,289,400,441,
 400,441,0,1,0,1,16,25,16,25,0,1,0,1,16,25,16,25,
 256,289,256,289,400,441,400,441,256,289,256,289,
 400,441,400,441,4096,4225]