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A373735 as a simple table

na(n)
22
33
44
55
64
77
88
99
108
1111
128
1313
148
159
1616
1717
1816
1919
2016
219
2216
2323
2416
2525
2616
2727
2816
2929
3016
3131
3232
3327
3432
3525
3632
3737
3832
3927
4032
4141
4232
4343
4432
4527
4632
4747
4832
4949
5032
5127
5232
5353
5432
5525
5632
5727
5832
5959
6032
6161
6232
6327
6464
6525
6664
6767
6864
6927
7064

[2,3,4,5,4,7,8,9,8,11,8,13,8,9,16,17,16,19,16,9,
 16,23,16,25,16,27,16,29,16,31,32,27,32,25,32,37,
 32,27,32,41,32,43,32,27,32,47,32,49,32,27,32,53,
 32,25,32,27,32,59,32,61,32,27,64,25,64,67,64,27,
 64]