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A191864 as a simple table

na(n)
11
22
33
44
55
67
710
828
999
101908
11136178
12246396654
1333083692025310
148147205746460109635768
15269537638338486762080764802762484576
162195978587041305889551144566841383797948181151148527903340

[1,2,3,4,5,7,10,28,99,1908,136178,246396654,
 33083692025310,8147205746460109635768,
 269537638338486762080764802762484576,
 21959785870413058895511445668413837979481811511485\
 27903340]