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A115870 as a simple table

na(n)
10
20
30
43
50
67
75
80
90
1015
1113
1215
139
1415
1513
1611
170
1831
1929
2035
2125
2227
230
2423
2517
260
2745
2819
2925
3023
3121
3227
330
3463
3561
3663
3757
3859
3961
4055
4149
4251
4361
4451
4557
4643
4753
4859
4933
5055
5145
5235
5341
5439
5537
5647
5749
5847
5945
6047
6141
6247
6345
6443
650

[0,0,0,3,0,7,5,0,0,15,13,15,9,15,13,11,0,31,29,35,
 25,27,0,23,17,0,45,19,25,23,21,27,0,63,61,63,57,
 59,61,55,49,51,61,51,57,43,53,59,33,55,45,35,41,
 39,37,47,49,47,45,47,41,47,45,43,0]