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A267347 as a simple table

na(n)
11
21
32
42
54
69
7649
825661
9413155
103534075
1121319105
12108404456
13526041190
142738297888

[1,1,2,2,4,9,649,25661,413155,3534075,21319105,
 108404456,526041190,2738297888]