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A098271 as a simple table

na(n)
11
215
335
465
591
6255
7377
8559
91295
102001
112059
122431
134081
147743
158911
1610745
1712851
1822791
1926335
2039689
2151271
2261699
2365535
2473151
2595201
2697681
27112897
28114191
29139231
30150177
31184255
32216545
33229503
34286937
35294785
36296191
37334369

[1,15,35,65,91,255,377,559,1295,2001,2059,2431,
 4081,7743,8911,10745,12851,22791,26335,39689,
 51271,61699,65535,73151,95201,97681,112897,114191,
 139231,150177,184255,216545,229503,286937,294785,
 296191,334369]