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A068457 as a simple table

na(n)
11
20
30
40
50
62
76
84
93
105
1110
120
131
1411
1514
164
172
181
1917
2012
2119
2218
2318
246
257
2624
2724
287
299
3014
3128
3227
3314
344
3519
3633
3724
384
3914
4029
4121
4238
4317
4420
455
4622
4730
487
4913
5044
5119
524
5319
5419
5514
567
5748
589
5958
6049
6117
6226
6335
6433
6536
669
6728
6836
6954
7036
7170
720
7333
7429
7545
7614
7746
7869

[1,0,0,0,0,2,6,4,3,5,10,0,1,11,14,4,2,1,17,12,19,
 18,18,6,7,24,24,7,9,14,28,27,14,4,19,33,24,4,14,
 29,21,38,17,20,5,22,30,7,13,44,19,4,19,19,14,7,48,
 9,58,49,17,26,35,33,36,9,28,36,54,36,70,0,33,29,
 45,14,46,69]