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A190399 as a simple table

na(n)
10
21
354
41068
58550
645873
7177968
8562032
91519560
103662625
118057390
1216477020
1331712850
1458018793
15101639700
16171525568
17280160068
18444636297
19687881890
201040201500
211541008350
222240952065
233204279960
244511682288

[0,1,54,1068,8550,45873,177968,562032,1519560,
 3662625,8057390,16477020,31712850,58018793,
 101639700,171525568,280160068,444636297,687881890,
 1040201500,1541008350,2240952065,3204279960,
 4511682288]