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A175297 as a simple table

na(n)
11
20
33
40
55
62
77
80
99
100
119
120
139
146
1515
160
1717
180
1917
204
2121
224
2321
240
2517
2610
2727
284
2921
3014
3131
320
3333
340
3533
360
3733
380
3933
400
4133
420
4333
4412
4545
4612
4745
480
4933
5018
5151
520
5333
5418
5551
560
5733
5818
5951
6012
6145
6230
6363
640
6565
660
6765
680
6965
700
7165
728
7373
748
7573
768
7773
788
7973
800
8165
820
8365

[1,0,3,0,5,2,7,0,9,0,9,0,9,6,15,0,17,0,17,4,21,4,
 21,0,17,10,27,4,21,14,31,0,33,0,33,0,33,0,33,0,33,
 0,33,12,45,12,45,0,33,18,51,0,33,18,51,0,33,18,51,
 12,45,30,63,0,65,0,65,0,65,0,65,8,73,8,73,8,73,8,
 73,0,65,0,65]