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A063960 as a simple table

na(n)
10
20
30
42
52
65
75
85
95
1010
1110
1210
1310
1417
1517
1617
1717
1817
1917
2017
2117
2228
2328
2428
2528
2641
2741
2841
2941
3041
3141
3241
3341
3458
3558
3658
3758
3877
3977
4077
4177
4277
4377
4477
4577
46100
47100
48100
49100
50100
51100
52100
53100
54100
55100
56100
57100
58129
59129
60129
61129
62160
63160
64160
65160

[0,0,0,2,2,5,5,5,5,10,10,10,10,17,17,17,17,17,17,
 17,17,28,28,28,28,41,41,41,41,41,41,41,41,58,58,
 58,58,77,77,77,77,77,77,77,77,100,100,100,100,100,
 100,100,100,100,100,100,100,129,129,129,129,160,
 160,160,160]