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A091641 as a simple table

na(n)
13
216
3100
4680
54773
634992
7266823
82079512
916503238
10132852644
111081509855
128885472675
1373563855306
14612982476612

[3,16,100,680,4773,34992,266823,2079512,16503238,
 132852644,1081509855,8885472675,73563855306,
 612982476612]