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A191804 as a simple table

na(n)
01
11
27
382
41221
520718
6382315
77489683
8153551487
93264643144
1071545452946
111609541143713
1237065029428453
13872037022019930
1420935244357544798
15512498682139660135
1612790021472251565047
17325439165493879484025

[1,1,7,82,1221,20718,382315,7489683,153551487,
 3264643144,71545452946,1609541143713,
 37065029428453,872037022019930,20935244357544798,
 512498682139660135,12790021472251565047,
 325439165493879484025]