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A079986 as a simple table

na(n)
01
10
21
30
44
50
616
70
849
90
10169
110
12576
130
141936
150
166561
170
1822201
190
2075076
210
22254016
230
24859329
250
262907025
270
289834496
290
3033269824
310
32112550881
330
34380757169
350
361288092100
370
384357584144
390
4014741602225

[1,0,1,0,4,0,16,0,49,0,169,0,576,0,1936,0,6561,0,
 22201,0,75076,0,254016,0,859329,0,2907025,0,
 9834496,0,33269824,0,112550881,0,380757169,0,
 1288092100,0,4357584144,0,14741602225]