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A239989 as a simple table

na(n)
17
240
3261
41391
57113
631226
7131242
8514539
91914507
106772946
1122897312
1274168162
13230889987
14691544987
151994352403
165541664374
1714851119427
1838433580993
1996194422578
20233234971795
21548761214881
221255035407604

[7,40,261,1391,7113,31226,131242,514539,1914507,
 6772946,22897312,74168162,230889987,691544987,
 1994352403,5541664374,14851119427,38433580993,
 96194422578,233234971795,548761214881,
 1255035407604]