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A319585 as a simple table

na(n)
10
21
33
45
57
69
73951
84095
94097
1012291
1120485
1221845
1328679
1430039
1536873
1616187247
1716777215
1816777217
1916781313
2050331651
2150343939
2283886085
2383894277
2483906565
2583914757
2689458005
2789466197
2889478485
2989486677
30117440519
31117448711
32117460999

[0,1,3,5,7,9,3951,4095,4097,12291,20485,21845,
 28679,30039,36873,16187247,16777215,16777217,
 16781313,50331651,50343939,83886085,83894277,
 83906565,83914757,89458005,89466197,89478485,
 89486677,117440519,117448711,117460999]