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A246996 as a simple table

na(n)
11
20
30
41
51
62
71
82
91
104
117
1211
138
1410
1520
1647
1769
1886
19103
20162

[1,0,0,1,1,2,1,2,1,4,7,11,8,10,20,47,69,86,103,
 162]