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A393160 as a simple table

na(n)
00
11
22
33
45
55
66
77
810
910
1010
1111
1215
1315
1415
1517
1620
1720
1820
1920
2025
2129
2229
2329
2430
2530
2630
2730
2835
2935
3035
3135
3240
3340
3440
3540
3645
3745
3845
3945
4050
4150
4258
4358
4458
4558
4658
4758
4860
4960
5060
5160
5265
5365
5465
5573
5673
5773
5873
5973
6075
6175
6275
6387
6487
6587
6687

[0,1,2,3,5,5,6,7,10,10,10,11,15,15,15,17,20,20,20,
 20,25,29,29,29,30,30,30,30,35,35,35,35,40,40,40,
 40,45,45,45,45,50,50,58,58,58,58,58,58,60,60,60,
 60,65,65,65,73,73,73,73,73,75,75,75,87,87,87,87]