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A003054 as a simple table

na(n)
11
21
32
45
514
639
7120
8358
91176
103527
1111622
1236627
13121622
14389560
151301140
164215748

[1,1,2,5,14,39,120,358,1176,3527,11622,36627,
 121622,389560,1301140,4215748]