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A115720 as a simple table

na(n)
01
10
21
30
42
50
63
70
84
91
100
115
122
130
146
155
160
177
188
190
208
2114
220
239
2420
251
260
2710
2830
292
300
3111
3240
335
340
3512
3655
3710
380
3913
4070
4118
420
4314
4491
4530
460
4715
48112
4949
500
5116
52140
5374
541
550
5617
57168
58110
592
600
6118
62204
63158
645
650
6619
67240
68221
6910
700
7120
72285
73302
7420
750
7621
77330
78407

[1,0,1,0,2,0,3,0,4,1,0,5,2,0,6,5,0,7,8,0,8,14,0,9,
 20,1,0,10,30,2,0,11,40,5,0,12,55,10,0,13,70,18,0,
 14,91,30,0,15,112,49,0,16,140,74,1,0,17,168,110,2,
 0,18,204,158,5,0,19,240,221,10,0,20,285,302,20,0,
 21,330,407]