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A167185 as a simple table

na(n)
11
21
31
44
54
64
74
88
99
109
119
129
139
149
159
1616
1716
1816
1916
2016
2116
2216
2316
2416
2525
2625
2727
2827
2927
3027
3127
3232
3332
3432
3532
3632
3732
3832
3932
4032
4132
4232
4332
4432
4532
4632
4732
4832
4949
5049
5149
5249
5349
5449
5549
5649
5749
5849
5949
6049
6149
6249
6349
6464
6564
6664
6764
6864
6964
7064
7164
7264
7364
7464

[1,1,1,4,4,4,4,8,9,9,9,9,9,9,9,16,16,16,16,16,16,
 16,16,16,25,25,27,27,27,27,27,32,32,32,32,32,32,
 32,32,32,32,32,32,32,32,32,32,32,49,49,49,49,49,
 49,49,49,49,49,49,49,49,49,49,64,64,64,64,64,64,
 64,64,64,64,64]