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A065546 as a simple table

na(n)
113
229
359
4127
5257
6521
71049
82099
94201
108419
1116843
1233703
1367409
14134837
15269683
16539389
171078787
182157587
194315183
208630387
2117260781
2234521589
2369043189
24138086407
25276172823
26552345671
271104691373
282209382761

[13,29,59,127,257,521,1049,2099,4201,8419,16843,
 33703,67409,134837,269683,539389,1078787,2157587,
 4315183,8630387,17260781,34521589,69043189,
 138086407,276172823,552345671,1104691373,
 2209382761]