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A099930 as a simple table

na(n)
31
412
5174
62436
734307
8482664
96791772
1095567064
111344731653
1218921807828
13266250046986
143746422451772
1552716164405255
16741772724044560
1710437534301224120
18146867252940711408
192066579075472320521

[1,12,174,2436,34307,482664,6791772,95567064,
 1344731653,18921807828,266250046986,3746422451772,
 52716164405255,741772724044560,10437534301224120,
 146867252940711408,2066579075472320521]