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A001773 as a simple table

na(n)
13
27
323
4287
5291
6795
72203
85711
97927
109443
1110095
1219071
1329611
1434651
1551875
1655343
1777511
18166303
19233207

[3,7,23,287,291,795,2203,5711,7927,9443,10095,
 19071,29611,34651,51875,55343,77511,166303,233207]