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A217885 as a simple table

na(n)
11
23
310
440
5182
6938
75424
834788
9244544
101865144
1115312976
12134495328
131257334432
1412456693168
15130288665568
161433829681568

[1,3,10,40,182,938,5424,34788,244544,1865144,
 15312976,134495328,1257334432,12456693168,
 130288665568,1433829681568]