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A115859 as a simple table

na(n)
10
20
30
40
50
60
73
80
90
100
117
120
135
146
150
160
170
180
1915
200
2113
2214
2319
240
259
2610
2715
2812
2921
300
3127
320
330
340
3531
360
3729
3830
3935
400
4125
4226
4327
4428
450
4638
4727
480
4917
5018
510
5220
5345
5430
5551
5624
5725
5842
5955
600
6145
6254
6359
640
650
660
6763
680
6961
7062
7167
720
7357
7458
7571
7660
7769
7870
7963
800

[0,0,0,0,0,0,3,0,0,0,7,0,5,6,0,0,0,0,15,0,13,14,
 19,0,9,10,15,12,21,0,27,0,0,0,31,0,29,30,35,0,25,
 26,27,28,0,38,27,0,17,18,0,20,45,30,51,24,25,42,
 55,0,45,54,59,0,0,0,63,0,61,62,67,0,57,58,71,60,
 69,70,63,0]