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A199581 as a simple table

na(n)
01
12
27
329
4107
5431
61619
76079
822937
987083
10332393
111273541
124896103
1318877711
1472968563
15282664351
161097088989
174265342057
1816608401041
1964758466127
20252814859149
21988089813541
223865761355523
2315138431958437
2459333638261529
25232737382916429

[1,2,7,29,107,431,1619,6079,22937,87083,332393,
 1273541,4896103,18877711,72968563,282664351,
 1097088989,4265342057,16608401041,64758466127,
 252814859149,988089813541,3865761355523,
 15138431958437,59333638261529,232737382916429]