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A335596 as a simple table

na(n)
11
21
31
41
53
67
717
843
991
10183
11371
12799
131941
144621
1511463
1627823
1768997
18167481
19414045
201006091
212496981
226127053
2315304071
2437838777
2595041475
26236320611
27595206771

[1,1,1,1,3,7,17,43,91,183,371,799,1941,4621,11463,
 27823,68997,167481,414045,1006091,2496981,6127053,
 15304071,37838777,95041475,236320611,595206771]