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A204874 as a simple table

na(n)
136285
21174669
311644559
4320519921
53677014705
694493071327
71170722541163
828674816027923
9375190755400931
108831187451636669
11120712083104557267
122744638222500107219
1338929895065086949097
14858589315995824785575

[36285,1174669,11644559,320519921,3677014705,
 94493071327,1170722541163,28674816027923,
 375190755400931,8831187451636669,
 120712083104557267,2744638222500107219,
 38929895065086949097,858589315995824785575]