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A185849 as a simple table

na(n)
1630
211610
3215880
44004914
574358926
61380412312
725625942242
8475728999902
98831529274288
10163950562398426
113043616539513970
1256502397501376376
131048923589807240594
1419472460036409387670
15361491250199327640676

[630,11610,215880,4004914,74358926,1380412312,
 25625942242,475728999902,8831529274288,
 163950562398426,3043616539513970,
 56502397501376376,1048923589807240594,
 19472460036409387670,361491250199327640676]