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A146470 as a simple table

na(n)
11
21
31
41
55
67
719
835
9463
10969
1122041
1258321
131701021
145460085
15383363779
161519453757
17207202049471
181016198618209
19232688832421803
201403058689772715
21628307720419918447
224670279652295220195
233965584480917103684129

[1,1,1,1,5,7,19,35,463,969,22041,58321,1701021,
 5460085,383363779,1519453757,207202049471,
 1016198618209,232688832421803,1403058689772715,
 628307720419918447,4670279652295220195,
 3965584480917103684129]