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A064574 as a simple table

na(n)
10
20
30
41
51
62
72
84
95
106
116
129
139
1410
1511
1615
1715
1818
1918
2022
2123
2224
2324
2430
2531
2632
2734
2838
2938
3042
3142
3248
3349
3450
3551
3660
3760
3861
3962
4069
4169
4274
4374
4479
4582
4683
4783
4894
4995
5098
5199
52105
53105
54111
55112
56120
57121
58122
59122
60134
61134
62135
63138
64149
65150
66155
67155

[0,0,0,1,1,2,2,4,5,6,6,9,9,10,11,15,15,18,18,22,
 23,24,24,30,31,32,34,38,38,42,42,48,49,50,51,60,
 60,61,62,69,69,74,74,79,82,83,83,94,95,98,99,105,
 105,111,112,120,121,122,122,134,134,135,138,149,
 150,155,155]