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A026925 as a simple table

na(n)
10
20
30
40
51
60
71
81
93
103
116
126
1310
1410
1516
1617
1725
1827
1937
2040
2153
2257
2373
2479
2599
26107
27131
28142
29171
30184
31218
32235
33275
34296
35343
36368
37422
38452
39514
40550
41621
42663
43743
44792
45883
46939
471041
481106
491220
501294
511421
521505
531646
541740

[0,0,0,0,1,0,1,1,3,3,6,6,10,10,16,17,25,27,37,40,
 53,57,73,79,99,107,131,142,171,184,218,235,275,
 296,343,368,422,452,514,550,621,663,743,792,883,
 939,1041,1106,1220,1294,1421,1505,1646,1740]