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A189593 as a simple table

na(n)
11
21
32
44
57
612
721
836
962
10108
11188
12326
13565
14980
151700
162949
175116
188875
1915395
2026705
2146325
2280360
23139400
24241816
25419476
26727661
271262267
282189644
293798357
306588977
3111429841
3219827246
3334394152
3459663238
35103497303
36179535876

[1,1,2,4,7,12,21,36,62,108,188,326,565,980,1700,
 2949,5116,8875,15395,26705,46325,80360,139400,
 241816,419476,727661,1262267,2189644,3798357,
 6588977,11429841,19827246,34394152,59663238,
 103497303,179535876]