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A016172 as a simple table

na(n)
01
115
2171
31755
417091
5161595
61501011
713789035
8125780931
91142106075
1010339420851
1193417584715
12842935044771
137599476096955
1468473649036691
15616733026314795
165553418346740611
1749997691780110235

[1,15,171,1755,17091,161595,1501011,13789035,
 125780931,1142106075,10339420851,93417584715,
 842935044771,7599476096955,68473649036691,
 616733026314795,5553418346740611,
 49997691780110235]