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A206377 as a simple table

na(n)
185
21369
325945
4520097
510690969
6222329489
74648291369
897418918945
92043949959289
1042905465857457
11900849319640905
1218916269750894785
13397226844350640025
148341623469422864209
15175172765404628220265

[85,1369,25945,520097,10690969,222329489,
 4648291369,97418918945,2043949959289,
 42905465857457,900849319640905,18916269750894785,
 397226844350640025,8341623469422864209,
 175172765404628220265]